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Is Blood Isotonic? Understanding Blood Osmosis and its Implications
Introduction:
Have you ever wondered about the intricate balance within your bloodstream? It's more than just red and white blood cells floating along; it's a carefully orchestrated system involving osmotic pressure and the precise concentration of dissolved substances. This post delves into the crucial question: Is blood isotonic? We'll explore the concept of tonicity, explain what makes blood's osmotic environment so vital, and examine the consequences of imbalances. We'll unpack the scientific principles behind blood's isotonic nature and discuss its implications for health and disease. Get ready for a fascinating journey into the microscopic world that sustains our lives!
What is Tonicity?
Tonicity describes the relative concentration of solutes in two solutions separated by a selectively permeable membrane, like a cell membrane. This comparison is crucial because it dictates the movement of water across that membrane. There are three primary types of tonicity:
Isotonic: The solution has the same concentration of solutes as the cell or solution it's being compared to. Water moves across the membrane equally in both directions, resulting in no net change in cell volume.
Hypotonic: The solution has a lower concentration of solutes than the cell or solution it's being compared to. Water moves into the cell, potentially causing it to swell and even burst (lyse).
Hypertonic: The solution has a higher concentration of solutes than the cell or solution it's being compared to. Water moves out of the cell, causing it to shrink (crenate).
Is Blood Isotonic? The Answer and its Significance
Yes, blood is generally considered to be isotonic. More precisely, it's isotonic relative to the cells within the bloodstream – primarily red blood cells. This isotonic nature is absolutely critical for maintaining the health and function of these cells. If blood were hypotonic, red blood cells would absorb excess water, swell, and potentially rupture. Conversely, if blood were hypertonic, red blood cells would lose water, shrink, and become unable to carry oxygen efficiently.
The isotonic nature of blood is maintained through a delicate balance of electrolytes, primarily sodium (Na+), potassium (K+), chloride (Cl-), and others. These electrolytes, along with proteins and other dissolved substances, contribute to the overall osmotic pressure of the blood. The body tightly regulates these levels through complex physiological mechanisms involving the kidneys, endocrine system, and other organs.
Maintaining Blood's Isotonic State: The Role of Homeostasis
Homeostasis is the body's ability to maintain a stable internal environment despite external changes. Maintaining the isotonic nature of blood is a crucial aspect of overall homeostasis. Several mechanisms contribute to this:
Kidney Function: The kidneys play a central role in regulating blood volume and electrolyte concentration. They filter waste products and excess water from the blood, adjusting the excretion of electrolytes to maintain the appropriate balance.
Hormonal Regulation: Hormones like antidiuretic hormone (ADH) and aldosterone influence water reabsorption and electrolyte balance in the kidneys. ADH increases water reabsorption, while aldosterone promotes sodium reabsorption.
Thirst Mechanism: The thirst sensation is a crucial feedback mechanism. When blood becomes too concentrated (hypertonic), the body signals thirst, prompting fluid intake to dilute the blood and restore isotonicity.
Consequences of Blood Tonicity Imbalances
Deviations from blood's isotonic state can have serious consequences:
Hypotonic Blood: Can lead to hemolysis (rupturing of red blood cells), resulting in anemia and potentially organ damage. This can be caused by conditions like excessive water intake or certain kidney disorders.
Hypertonic Blood: Can lead to dehydration, cell shrinkage, and impaired organ function. This can be caused by dehydration, excessive sweating, or conditions like diabetes insipidus.
Clinical Implications and Testing
The isotonic nature of blood is a fundamental consideration in medical practice. Intravenous (IV) fluids administered to patients must be isotonic to prevent adverse effects on blood cells and tissues. Inappropriate fluid administration can lead to serious complications. Blood tests, including electrolyte panels and osmolality measurements, are used to assess blood tonicity and identify potential imbalances.
Article Outline: Is Blood Isotonic?
I. Introduction: Hook, Overview, and Definition of Tonicity
II. Is Blood Isotonic? The Answer and its Importance: Explanation of isotonic nature, consequences of deviations.
III. Maintaining Blood's Isotonic State: Homeostasis Mechanisms: Roles of kidneys, hormones, and thirst.
IV. Consequences of Imbalances: Hypotonic and hypertonic blood, clinical manifestations.
V. Clinical Implications and Testing: IV fluids, blood tests, and diagnosis.
VI. Conclusion: Summary and reiteration of importance.
Article Explained (Each Point from the Outline)
I. Introduction: This section would hook the reader with a compelling question or anecdote related to blood's composition and the importance of its balance. Then, provide a brief overview of what will be discussed in the article, including the definition of tonicity and its three types (isotonic, hypotonic, hypertonic).
II. Is Blood Isotonic? The Answer and its Importance: This section directly addresses the central question, confirming that blood is generally isotonic and explaining why this is essential for red blood cell function and overall health. It would detail the consequences of deviations from isotonicity.
III. Maintaining Blood's Isotonic State: Homeostasis Mechanisms: This section explains the complex physiological mechanisms responsible for maintaining the isotonic nature of blood, focusing on the roles of the kidneys, hormones (ADH, aldosterone), and the thirst mechanism. It would use clear and simple language to explain complex processes.
IV. Consequences of Imbalances: This section describes the potential health problems associated with hypotonic and hypertonic blood, including hemolysis, dehydration, and impaired organ function. It would link these imbalances to specific medical conditions.
V. Clinical Implications and Testing: This section highlights the practical implications of understanding blood tonicity in medical practice, such as the careful selection of IV fluids and the use of blood tests to diagnose imbalances.
VI. Conclusion: This section summarizes the main points and emphasizes the critical importance of maintaining the isotonic balance of blood for overall health. It would leave the reader with a clear understanding of the topic.
FAQs
1. What happens if my blood becomes hypotonic? Hypotonic blood can cause red blood cells to burst (hemolysis), leading to anemia and potential organ damage.
2. What happens if my blood becomes hypertonic? Hypertonic blood causes dehydration, cell shrinkage, and impaired organ function.
3. How does the body regulate blood tonicity? The kidneys, hormones (ADH, aldosterone), and the thirst mechanism work together to maintain the isotonic balance of blood.
4. What are the symptoms of blood tonicity imbalances? Symptoms vary widely depending on the severity and cause of the imbalance but can include fatigue, weakness, dizziness, and confusion.
5. What blood tests are used to assess blood tonicity? Electrolyte panels and osmolality measurements are commonly used.
6. Why are isotonic IV fluids used in hospitals? To prevent damage to blood cells and tissues.
7. Can diet affect blood tonicity? Yes, excessive sodium intake can contribute to hypertonicity, while insufficient fluid intake can lead to hypertonicity.
8. Are there any diseases that affect blood tonicity? Yes, several conditions, including kidney disease, diabetes insipidus, and certain hormonal imbalances, can affect blood tonicity.
9. What should I do if I suspect a blood tonicity imbalance? Consult a doctor immediately.
Related Articles:
1. Understanding Electrolyte Imbalances: Explores the various electrolytes in the body and the consequences of their imbalance.
2. The Role of the Kidneys in Homeostasis: Details the kidney's function in maintaining blood pressure, electrolyte balance, and overall homeostasis.
3. Hormonal Regulation of Fluid Balance: Discusses the various hormones that control fluid balance in the body.
4. Intravenous Fluid Therapy: A Comprehensive Guide: Explains the types of IV fluids and their clinical applications.
5. Anemia: Types, Causes, and Treatment: Covers the different types of anemia and their causes, including those related to red blood cell damage.
6. Dehydration: Symptoms, Causes, and Prevention: Provides detailed information on dehydration, its causes, and prevention strategies.
7. Diabetes Insipidus: Understanding This Rare Disorder: Explains the characteristics and treatment of diabetes insipidus.
8. Kidney Disease: Stages, Symptoms, and Treatment: Provides an overview of kidney disease, its progression, and treatment options.
9. Osmolality and its Clinical Significance: Explains the concept of osmolality and its importance in assessing fluid balance.
is blood isotonic: Concepts of Biology Samantha Fowler, Rebecca Roush, James Wise, 2023-05-12 Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is meaningful and easy to understand. The book is designed to demonstrate biology concepts and to promote scientific literacy. |
is blood isotonic: Seldin and Giebisch's The Kidney Robert J. Alpern, Steven C. Hebert, 2007-10-10 A classic nephrology reference for over 20 years, Seldin & Giebisch's The Kidney, is the acknowledged authority on renal physiology and pathophysiology. The fourth edition follows the changed focus of nephrology research to the study of how individual molecules work together to affect cellular and organ function, emphasizing the mechanisms of disease. With over 40 new chapters and over 1000 illustrations, this edition offers the most in-depth discussion anywhere of the physiologic and pathophysiologic processes of renal disease. Comprehensive, authoritative coverage progresses from molecular biology and cell physiology to clinical issues regarding renal function and dysfunction. If you research the development of normal renal function or the mechanisms underlying renal disease, Seldin & Giebisch's The Kidney is your number one source for information.* Offers the most comprehensive coverage of fluid and electrolyte regulation and dysregulation in 51 completely revised chapters unlike Brenner & Rector's The Kidney which devotes only 7 chapters to this topic.* Includes 3 sections, 31 chapters, devoted to regulation and disorders of acid-base homeostasis, and epithelial and nonepithelial transport regulation. Brenner & Rector's only devotes 5 chapters to these topics.* Previous three editions edited by Donald Seldin and Gerhard Giebisch, world renowned names in nephrology. The title for the fourth edition has been changed to reflect their considerable work on previous editions and they have also written the forward for this edition. * Over 20 million adults over age 20 have chronic kidney disease with the number of people diagnosed doubling each decade making it America's ninth leading cause of death. |
is blood isotonic: Biology for AP ® Courses Julianne Zedalis, John Eggebrecht, 2017-10-16 Biology for AP® courses covers the scope and sequence requirements of a typical two-semester Advanced Placement® biology course. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology for AP® Courses was designed to meet and exceed the requirements of the College Board’s AP® Biology framework while allowing significant flexibility for instructors. Each section of the book includes an introduction based on the AP® curriculum and includes rich features that engage students in scientific practice and AP® test preparation; it also highlights careers and research opportunities in biological sciences. |
is blood isotonic: Oxygen Transport To Tissue XXIII David F. Wilson, Sydney M. Evans, John Biaglow, Anna Pastuszko, 2003-01-31 The ISOTT 2001 local organizing committee was pleased to welcome over 140 delegates from around the world to the 29th annual general meeting of the International Society for Oxygen Transport to Tissue. The meeting was held in historic Philadelphia, USA, on the campus of the University of Pennsylvania from August 11 to 15, 2001. In the tradition of ISOTT, the conference was a total immersion experience. Attendees were encouraged to eat together and spend their evenings relaxing together in a style that maximized exchange of ideas and interactions of younger scientists with their more senior colleagues. Delegates participated in a total of 122 presentations including poster displays, selected oral presentations, seminars by invited speakers and a round table discussion. In choosing invited speakers and oral presenters, special emphasis was placed on methods for oxygen measurement in living tissue and application of these technologies to understanding physiological and biochemical basis for pathology related to tissue oxygenation. All of the manuscripts contained in this volume underwent both an editorial and scientific review, and only those meeting both criteria have been published. However, while all efforts have been made to eliminate editorial errors, some have undoubtedly been overlooked, for which the editors apologize. |
is blood isotonic: Thermodynamics of Pharmaceutical Systems Kenneth A. Connors, 2003-04-02 Studies of thermodynamics often fail to demonstrate how the mathematical intricacies of the subject relate to practical laboratory applications. Thermodynamics of Pharmaceutical Systems makes these connections clear, emphasizing specific applications to pharmaceutical systems in a study created specifically for contemporary curriculums at colleges of pharmacy. Students investigating drug discovery, drug delivery, and drug action will benefit from Kenneth Connors's authoritative treatment of the fundamentals of thermodynamics as well as his attention to drug molecules and experimental considerations. An extensive appendix that reviews the mathematics needed to master the pharmacy curriculum proves an invaluable reference. Connors divides his one-of-a-kind text into three sections: Basic Thermodynamics, Thermodynamics of Physical Processes, and Thermodynamics of Chemical Processes; chapters include: * Energy and the First Law of Thermodynamics * The Entropy Concept * Phase Transformations * Solubility * Acid-Base Equilibria * Noncovalent Binding Equilibria Thermodynamics need not be a mystery nor be confined to the realm of mathematical theory. Thermodynamics of Pharmaceutical Systems introduces students of pharmacy to the profound thermodynamic applications in the laboratory while also serving as a handy resource for practicing researchers. |
is blood isotonic: Cell Physiology Source Book Nicholas Sperelakis, 2012-12-02 This authoritative book gathers together a broad range of ideas and topics that define the field. It provides clear, concise, and comprehensive coverage of all aspects of cellular physiology from fundamental concepts to more advanced topics. The Third Edition contains substantial new material. Most chapters have been thoroughly reworked. The book includes chapters on important topics such as sensory transduction, the physiology of protozoa and bacteria, the regulation of cell division, and programmed cell death. - Completely revised and updated - includes 8 new chapters on such topics as membrane structure, intracellular chloride regulation, transport, sensory receptors, pressure, and olfactory/taste receptors - Includes broad coverage of both animal and plant cells - Appendixes review basics of the propagation of action potentials, electricity, and cable properties - Authored by leading experts in the field - Clear, concise, comprehensive coverage of all aspects of cellular physiology from fundamental concepts to more advanced topics |
is blood isotonic: Homeostatic Blood States Theory Audrius Andrijauskas, 2008-01-31 Intravenous fluid and blood component resuscitation is an integral part of modern medicine practice in a variety of medical fields. However, these therapies are usually led by rigid and very approximate guidelines. The purpose of creating the Homeostatic blood states theory was to develop more accurate guidelines. On the basis of the new theory the following results have been reached: 1. The physiological-mathematical model explaining blood volume homeostasis has been created; 2. Nomograms for infusion therapy measures, blood loss evaluation and calculating red blood cell transfusion amount were proposed; 3. Nomograms were built on the background of interfering relationship of blood hematocrit and hemoglobin concentration; 4. New guidelines for infusion therapy, blood loss evaluation and calculating transfusion amount for proper hematocrit increase were proposed; 5. New method for early verification of occult bleeding has been suggested. Three major homeostatic blood states were described: (1) target state, (2) state of maximal isoosmotic plasma dilution and (3) dehydration. Target states maintain optimal red cell mass and blood volume correlation. Other two maintain critical plasma hydration origin deviations from target state. Three new nomograms enable planning and evaluation of infusion therapy and red cell mass transfusion, quantitate evaluation of blood loss and early detection of occult bleeding based on the dynamics of blood hematocrit and hemoglobin concentration. |
is blood isotonic: Pharmaceutical Calculations Michalakis Savva, 2019-10-17 Pharmaceutical Calculations: A Conceptual Approach, is a book that combines conceptual and procedural understanding for students and will guide you to master prerequisite skills to carry out accurate compounding and dosage regimen calculations. It is a book that makes the connection between basic sciences and pharmacy. It describes the most important concepts in pharmaceutical sciences thoroughly, accurately and consistently through various commentaries and activities to make you a scientific thinker, and to help you succeed in college and licensure exams. Calculation of the error associated with a dose measurement can only be carried out after understanding the concept of accuracy versus precision in a measurement. Similarly, full appreciation of drug absorption and distribution to tissues can only come about after understanding the process of transmembrane passive diffusion. Early understanding of these concepts will allow reinforcement and deeper comprehension of other related concepts taught in other courses. More weight is placed on the qualitative understanding of fundamental concepts, like tonicity vs osmotic pressure, diffusion vs osmosis, crystalloids vs colloids, osmotic diuretics vs plasma expanders, rate of change vs rate constants, drug accumulation vs drug fluctuation, loading dose vs maintenance dose, body surface area (BSA) vs body weight (BW) as methods to adjust dosages, and much more, before considering other quantitative problems. In one more significant innovation, the origin and physical significance of all final forms of critical equations is always described in detail, thus, allowing recognition of the real application and limitations of an equation. Specific strategies are explained step-by-step in more than 100 practice examples taken from the fields of compounding pharmacy, pharmaceutics, pharmacokinetics, pharmacology and medicine. |
is blood isotonic: Animals and Medicine Jack Botting, 2015-05-04 Animals and Medicine: The Contribution of Animal Experiments to the Control of Disease offers a detailed, scholarly historical review of the critical role animal experiments have played in advancing medical knowledge. Laboratory animals have been essential to this progress, and the knowledge gained has saved countless lives—both human and animal. Unfortunately, those opposed to using animals in research have often employed doctored evidence to suggest that the practice has impeded medical progress. This volume presents the articles Jack Botting wrote for the Research Defence Society News from 1991 to 1996, papers which provided scientists with the information needed to rebut such claims. Collected, they can now reach a wider readership interested in understanding the part of animal experiments in the history of medicine—from the discovery of key vaccines to the advancement of research on a range of diseases, among them hypertension, kidney failure and cancer.This book is essential reading for anyone curious about the role of animal experimentation in the history of science from the nineteenth century to the present. |
is blood isotonic: General Organic and Biological Chemistry Kenneth W. Raymond, 2009-12-14 This general, organic, and biochemistry text has been written for students preparing for careers in health-related fields such as nursing, dental hygiene, nutrition, medical technology, and occupational therapy. It is also suited for students majoring in other fields where it is important to have an understanding of the basics of chemistry. Students need have no previous background in chemistry, but should possess basic math skills. The text features numerous helpful problems and learning features. |
is blood isotonic: The Preparation of Solutions Isoosmotic with Blood, Tears, and Tissue C. G. Lund, E. Peülicke Nielsen, K. Pedersen-Bjergaard, 2013-10-22 The Preparation of Solutions Isoosmotic with Blood, Tears, and Tissue provides the data needed to establish rules in the formulation of extemporaneous isoosmotic eye preparations for use in the new Danish Pharmacopoeia. The book provides a large number of freezing point and vapor pressure determinations of solutions of appropriate drugs. From the data obtained, proposals were made for the correction of prescriptions relating to eye preparations in the Dispensatorium Danicum. It was also shown how isoosmotic solutions can easily be obtained for extemporaneous preparations in general. By using curves in the present work it will be possible to prepare isotonic solutions of a large number of the commonly employed remedies in therapeutics, both for injection and for application to the eyes. They enable the pharmacist to prepare extemporaneously described fluids of the correct osmotic concentration. It is hoped that this text may also be of value to the work in other pharmaceutical laboratories in Denmark, and abroad. |
is blood isotonic: Biology of Blood-Sucking Insects Mike Lehane, 2012-12-06 Blood-sucking insects are the vectors of many of the most debilitating parasites of man and his domesticated animals. In addition they are of considerable direct cost to the agricultural industry through losses in milk and meat yields, and through damage to hides and wool, etc. So, not surprisingly, many books of medical and veterinary entomology have been written. Most of these texts are organized taxonomically giving the details of the life-cycles, bionomics, relationship to disease and economic importance of each of the insect groups in turn. I have taken a different approach. This book is topic led and aims to discuss the biological themes which are common in the lives of blood-sucking insects. To do this I have concentrated on those aspects of the biology of these fascinating insects which have been clearly modified in some way to suit the blood-sucking habit. For example, I have discussed feeding and digestion in some detail because feeding on blood presents insects with special problems, but I have not discussed respiration because it is not affected in any particular way by haematophagy. Naturally there is a subjective element in the choice of topics for discussion and the weight given to each. I hope that I have not let my enthusiasm for particular subjects get the better of me on too many occasions and that the subject material achieves an overall balance. |
is blood isotonic: Comprehensive Gynecology Gretchen M. Lentz, David M. Gershenson, 2012-01-01 In the 25 years since the first edition of Comprehensive Gynecology, many scientific advances have occurred in medical practice. The first four editions were largely the work of the original four editors: Drs. William Droegemueller, Arthur L. Herbst, Daniel R. Mishell, Jr., and Morton A. Stenchever...With the staggering volume of medical literature published and the complexities of the gynecologic subspecialties, we have collaborated with additional experts for the sixth edition. We've examined disease and added a new chapter on the interaction of medical diseases and female physiology. We've investigated discord with new authors to completely rewrite the emotional and psychological issues in gynecology and the legal issues for obstetrician-gynecologists. Other chapters have delved into the controversies in breast cancer screening, vitamin D use, the ongoing debates in hormone therapy, and vaginal mesh use for pelvic organ prolapse surgery. (from Preface -- MD Consult, viewed April 9, 2012) |
is blood isotonic: The Biology of Blood-Sucking in Insects M. J. Lehane, 2005-06-09 Second edition looks at the favourable biological modifications of these insects and also considers the economical, social and medical aspects. |
is blood isotonic: Fundamentals of General, Organic, and Biological Chemistry John McMurry, 2013 Fundamentals of General, Organic, and Biological Chemistry by McMurry, Ballantine, Hoeger, and Peterson provides background in chemistry and biochemistry with a relatable context to ensure students of all disciplines gain an appreciation of chemistry's significance in everyday life. Known for its clarity and concise presentation, this book balances chemical concepts with examples, drawn from students' everyday lives and experiences, to explain the quantitative aspects of chemistry and provide deeper insight into theoretical principles. The Seventh Edition focuses on making connections between General, Organic, and Biological Chemistry through a number of new and updated features -- including all-new Mastering Reactions boxes, Chemistry in Action boxes, new and revised chapter problems that strengthen the ties between major concepts in each chapter, practical applications, and much more. NOTE: this is just the standalone book, if you want the book/access card order the ISBN below: 032175011X / 9780321750112 Fundamentals of General, Organic, and Biological Chemistry Plus MasteringChemistry with eText -- Access Card Package Package consists of: 0321750837 / 9780321750839 Fundamentals of General, Organic, and Biological Chemistry 0321776461 / 9780321776464 MasteringChemistry with Pearson eText -- Valuepack Access Card -- for Fundamentals of General, Organic, and Biological Chemistry |
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is blood isotonic: Advanced Emergency Care and Transportation of the Sick and Injured American Academy Of Orthopaedic Surgeons, Rhonda J. Hunt, 2021-10 Fourth Edition revised to meet current ILCOR guidelines, scope of practice, educational standards, and other pertinent medical and science recommendations. Additional content on COVID-19 and new content on soft skills have been added-- |
is blood isotonic: Animal Physiology Knut Schmidt-Nielsen, 1997-04-10 How do dolphins catch fish in murky water? Why do moths drink from puddles? How do birds' eggs breathe? How do animals work? In this revised and updated edition of the acclaimed text Animal Physiology, the answers are revealed. In clear and stimulating style, Knut Schmidt-Nielsen introduces and develops the fundamental principles of animal physiology according to major environmental features - oxygen, food and energy, temperature, and water. The structure of the book is unchanged from the previous edition, but every chapter has been updated to take into account recent developments, with numerous new references and figures. Animal Physiology is suitable as a text for undergraduate and beginning graduate courses in physiology. As with previous editions, students, teachers as well as researchers will find this book a valuable and enjoyable companion to course work and research. |
is blood isotonic: Canine and Feline Anesthesia and Co-Existing Disease Lindsey B. C. Snyder, Rebecca A. Johnson, 2014-10-29 Canine and Feline Anesthesia and Co-Existing Disease is the first book to draw together clinically relevant information on the anesthetic management of dogs and cats with existing disease conditions. Providing a detailed reference on avoiding and managing complications resulting from concurrent disease, the book offers a ready reference for handling anesthesia in patients with common presenting diseases. Organized by body system, Canine and Feline Anesthesia and Co-Existing Disease is designed to allow the reader to quickly find and apply advice for anesthetizing patients with specific conditions. Each chapter presents in-depth, practical information on the special considerations before, during, and after sedation and anesthesia of a patient with a given disease. Canine and Feline Anesthesia and Co-Existing Disease is a useful reference for general practitioners, veterinary students, specialists in a variety of areas, and veterinary anesthesiologists alike. |
is blood isotonic: Biochemical Terminology Antony Mackinlay, 2022-10-26 Languages are like organisms, they do not appear by spontaneous creation, they evolve, and so it is with the particular terminology of biochemistry which, as I document here, largely derives from Latin and Ancient Greek root words. In the early part of the 19th century, when chemistry had shaken off the shackles of alchemy, new elements, new compounds, new techniques were discovered that needed names. It was the classical languages, Greek and Latin, to which these early scientists turned. As chemical approaches were applied to biology, much molecular terminology has also derived from these languages. In this book the common technical terms encountered in biochemistry and related subjects are defined and their derivation from root words in Latin and Ancient Greek explained. |
is blood isotonic: Treatise on Marine Ecology and Paleoecology Joel W. Iledgpeth and Harry S. Ladd, 1957 |
is blood isotonic: Textbook Of Practical Physiology - 2Nd Edn. G. K. Pal, Pal, Pravati, 2006-02 The Second Edition Of The Book Provides Even More Application Orientation. All The Chapters Have Been Thoroughly Revised. The Information Has Been Brought Up-To-Date By Incorporating The Latest Concepts And Developments In The Subject. Some Of The Chapters That Were Not Strictly Essential For Routine Practicals Have Been Omitted. The Hematology Section Has Been Thoroughly Updated. The Section On Mammalian Physiology Has Been Further Trimmed As Per The Recommendations Of The Mci. A New Chapter 'Clinical Examination Of The Gi System' Has Been Incorporated. |
is blood isotonic: Arteriovenous Hemofiltration Peter Kramer, 2012-12-06 Discovery and Relative Importance of Continuous Arteriovenous HemofIltration Lee W. Henderson Continuous arteriovenous hemofiltration (CAVH) has seen a brisk upswing in popularity in Europe since its introduction by Dr. Kramer and colleagues from Gottingen, West Germany in 1977 [1]. In the United States, the technique re ceived approval as a clinical tool from the Food and Drug Administration in April 1982. This approval flowed, in no small measure, from the extensive expe rience reported from Europe and in particular West Germany [e. g., 2, 3]. Reports of its clinical utility now have begun to appear in the United States [4]. Removal of excess total body water using synthetic membranes in an extracor poreal circuit dates back to the work of Alwall and the artificial kidney that he designed which permitted utilization of a hydrostatic pressure gradient to moti vate water flow across the membrane [5]. Kolffs original rotating drum with its unencased membrane required an osmotic driving force [6]. Hemofiltration, the use of the filtration process to remove uremic solutes with the artificial kidney, in analogy with the glomerulus, was reported in 1967 [7]. This was made possible by the availability of synthetic membranes with far higher hydraulic permeability (approximately 10 times higher) than conventionally used cellulosic hemodialysis membrane. Specific applications of these high flux membranes to the removal primarily of excess total body water followed shortly thereafter [8]. |
is blood isotonic: Contrast Media in Practice Peter Dawson, Wolfram Clauss, 2012-12-06 In this small volume experts provide succinct answers to freuqently asked questions about the properties and handling of X-ray contrast media. It is an excellent reference source for all using these agents. Basic information is given on the development, toxicology, pharmacology, pharmacokinetics and clinical testing of contrast agents and in question and answer form on the problems and adverse events which may be associated with them. Most of the book is concerned with the most frequently used iodinated X-ray agents but there are useful sections on the magnetic resonance and ultrasound echo enhancing agents which are assuming greater and increasing importance. This book will be of interest to both radiologists and clinicians. |
is blood isotonic: Quick Review Series for BDS 3rd year - E-Book Jyotsna Rao, 2022-09-01 - Thoroughly revised and updated with latest questions from all major universities across India - Addition of new MCQs and viva questions for practical exam preparation - Index containing important point - Complimentary access to full e-book |
is blood isotonic: Zoology P. Spencer Davies, A. Punt, G. M. Hughes, 2013-09-03 Perspectives in Experimental Biology, Volume 1: Zoology contains the proceedings of the 50th Anniversary Meeting of the Society for Experimental Biology, held at the University of Cambridge, UK, on July 16-19, 1974. The papers explore research in zoology and cover a wide range of topics such as osmotic and ionic regulation; invertebrate and insect physiology; respiratory physiology; and cell chemistry. Comprised of 43 chapters, this volume begins with an introduction to the history of the Society for Experimental Biology, followed by a discussion on calcium metabolism and acid-base balance in Helix pomatia. Subsequent chapters explore water movement in cells and tissues; ion transport and osmoregulation in marine fish; hormonal control of reproduction in cephalopods; and how hormones affect flight in the locust. Other sections focus on the temperature dependence of the respiratory activity of mitochondria; biochemical mechanisms of tissue injury; laser light scattering from nerve and motile cells; transmitter release from insect motoneurons; and neural consequences of early experience in birds. The final section is devoted to animal locomotion and includes chapters that address undulatory swimming in polychaetes and energy storage in jumping animals. This book is intended for research workers and undergraduates interested in experimental biology. |
is blood isotonic: Essentials of Experimental Surgery H Gregerson, S Lindkaer Jensen, F Moody, M Shokouh-Amiri, 1996-05-28 This book covers all aspects of experimental gastrointestinal research including anatomy, physiology, surgical procedures and animal experimental models As well as being a useful reference guide to established scientists, it serves as an ideal introduction to the field of gastroenterology By consulting the book, the appropriate animal species and experimental model can be chosen for physiological and pathophysiological studies |
is blood isotonic: Pharmacy Practice Today for the Pharmacy Technician LiAnne C. Webster, 2013-09-03 Covering everything from certification exam review to key skills, Pharmacy Practice for Today's Pharmacy Technician: Career Training for the Pharmacy Technician covers all of the knowledge needed by pharmacy technicians to provide exemplary patient care and build a successful career. It describes the role of the pharmacy technician in different practice settings, including the key tasks and skills set required to work in a community pharmacy, institutional pharmacy, or home health and long-term care/hospice care, then adds a road map taking you through certification, the job search, interviewing, and continuing education. Written by pharmacy technician educator and expert LiAnne Webster, this comprehensive text prepares you to succeed in this rapidly growing field. - In-depth coverage of medication safety and error prevention includes recent recommendations and actions taken by the Institute of Safe Medication Practices (ISMP) and The Joint Commission. - Content on intercultural competence addresses the changing demographics in our society. - A student journal on the Evolve companion website makes it easy to submit journal entries relating to your coursework and during externship rotations. - Review questions and critical thinking exercises are included at the end of each chapter. - Tech Notes provide practical, on-the-job hints. - Tech Alerts focus on warnings to watch for and avoiding common errors. |
is blood isotonic: Concepts in Medical Physiology Julian Seifter, David Sloane, Austin Ratner, 2005 Written through a collaboration of expert faculty and medical students from Harvard Medical School, this innovative text delivers a straightforward and clear overview of the major principles, agents, and processes governing human physiology. Emphasis is on understanding the higher-order processes in each organ system. Concepts in Medical Physiology avoids long lists of unprioritized information and undefined jargon by presenting fresh concept diagrams and figures alongside clear explanations of quantitative concepts. It can function equally well as a primary resource or as a review. Eight major sections, comprising a total of 36 chapters, cover general principles, muscle and bone, blood and the immune system, cardiovascular physiology, pulmonary physiology, renal physiology, gastrointestinal physiology, and endocrine physiology. Many useful features simplify mastery of difficult concepts: Case studies for each major section present detailed cases with signs and symptoms, history, and laboratory data. Questions at the conclusion of each case reinforce important clinical concepts. Reviews of cell biology, basic science, and biochemistry refresh students on the foundations of physiological knowledge. Clinical Application boxes draw the connection between physiology to practical issues students face and help with preparation for the USMLE. Pathophysiology sections are featured in every chapter. Review questions with answers in each chapter aid in preparation for the examination. Integrative Physiology inserts highlight how specific systems, organs, and tissues work together. More than 350 illustrations aid with visual learning, including original schematic diagrams, photos, and tables. Concept-focused summaries conclude each chapter for more effective learning and review. Suggested readings in every chapter provide a valuable resource for further investigation in physiological and clinical ideas. |
is blood isotonic: Pamphlets on Biology , 1926 |
is blood isotonic: Blood Oxygenation Daniel Hershey, 2012-12-06 Under the broad heading of blood oxygenation there may be specific areas of study, such as the kinetics of the oxygen hemoglobin reaction, diffusion of gases through the red cell, blood preservation, blood chemistry, oxygen electrode design and the design and evaluation of artificial blood oxygenators. ~lood oxygenation is of interest to many disciplines including physicians, chemists, physicists, biologists, physiologists and engineers. The International Symposium on Blood Oxygenation was or ganized in order to bring together the people working in the various areas of blood oxygenation. This multidiscipline meet ing was held at the University of Cincinnati on December 1, 2 and 3 of 1969. It was jOintly sponsored by the U. S. Army Medi cal Research and Development Command and the University of Cin cinnati. Participants came from Australia, England, Israel, Italy, Japan and the United States. There were 122 persons registered for the Symposium. From the nature of the discussion during the meeting, it seemed apparent that the participants were benefiting from the contacts with colleagues in other disciplines. The result was a significant contribution to the present fund of knowledge of blood oxygenation and an enhancement of the future work. |
is blood isotonic: Nursing Diagnosis Manual Marilynn E Doenges, Mary Frances Moorhouse, Alice C Murr, 2016-01-14 Here’s the 5th Edition of the resource you’ll turn to again and again to select the appropriate diagnosis and to plan, individualize, and document care for more than 850 diseases and disorders. A new, streamlined design makes reference easier than ever. Only in the Nursing Diagnosis Manual will you find for each diagnosis…defining characteristics presented subjectively and objectively - sample clinical applications to ensure you have selected the appropriate diagnoses - prioritized action/interventions with rationales - a documentation section, and much more! |
is blood isotonic: Journal of the Chemical Society , 1890 |
is blood isotonic: Master NEET Biology with Matching & Assertion Reason Questions Disha Experts, 2020-02-04 |
is blood isotonic: Assertion-Reason Question Bank in Biology for AIIMS Disha Experts, Assertion-Reason Questions are the most tedious part in the AIIMS examination. They require not only understanding the statements but also the correct and accurate conceptual reasoning. Assertion-Reason Question Bank in Biology for AIIMS provides a comprehensive set of questionnaires to supplement learning from the NCERT textbooks. The book contains, in all, 2000+ questions with 95% + explanations. This book is devised for students to overcome the difficulty faced by them in attempting Assertion and Reason questions. It will help them to refine their concepts and emerge out successful in various competitive medical entrance examinations. This entire book comprises of chapter-wise questions according to the NCERT curriculum. At the end of every chapter, detailed solutions have been provided to help students with self-assessment. The uniqueness of this book lies in the new set of questions providing coverage of the entire NCERT syllabus. |
is blood isotonic: Pediatric Critical Care Medicine Derek S. Wheeler, Hector R. Wong, Thomas P. Shanley, 2014-04-21 The second edition of Pediatric Critical Care Medicine spans four volumes, with major sections dedicated to specific organ systems. Each major section consists of separate chapters dedicated to reviewing the specific disease processes affecting each organ system. Each chapter concludes with a comprehensive list of references, with brief, concise remarks denoting references of ‘special interest’ and ‘of interest’. Consequently, the books are unique in their comprehensive coverage of pediatric critical care and their ease of use and will be of value to those studying towards pediatric critical care examinations and those who are already qualified. |