Fundamentals of Anatomy & Physiology, Custom edition for Houston Community College Northwest, Volume 1, Includes student access code card
18th Edition
ISBN: 9781323627983
Author: Martini, Nath, Bartholomew
Publisher: PEARSON
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Question
Chapter 1, Problem 25CP
Summary Introduction
To explain:
In what way the positive feedback is helpful in blood clotting but not in thermoregulation of the body.
Introduction:
The homeostasis is maintained by the various feedback mechanisms in the body of an individual. The feedback system comprises of both the negative and positive feedback mechanisms that all provide stability to the body of the organism.
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Why is positive feedback helpful in blood clotting but unsuitable for the regulation of body temperature, as with a fever?
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4. The graph in Figure 4 shows changes in blood glucose concentration after a meal.
A
B
D
E F.
150
Blood glucose
concentration/
mg per 100 cm3
100
50
30
60
90
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Chapter 1 Solutions
Fundamentals of Anatomy & Physiology, Custom edition for Houston Community College Northwest, Volume 1, Includes student access code card
Ch. 1 - Describe a learning outcome.Ch. 1 - Explain how to use your textbook most effectively...Ch. 1 - Define anatomy.Ch. 1 - Define physiology.Ch. 1 - Describe how anatomy and physiology are closely...Ch. 1 - What is the difference between gross anatomy and...Ch. 1 - Identify several specialties of physiology.Ch. 1 - Why is it difficult to separate anatomy from...Ch. 1 - Identify the major levels of organization of the...Ch. 1 - Identify the organ systems of the body and cite...
Ch. 1 - At which level of organization does a histologist...Ch. 1 - Prob. 12CPCh. 1 - Define eponym.Ch. 1 - Name the book that serves as the international...Ch. 1 - What is the purpose of anatomical terms?Ch. 1 - For a body in the anatomical position, describe an...Ch. 1 - Name two essential functions of the body cavities...Ch. 1 - Describe the various body cavities of the trunk.Ch. 1 - Define homeostasis.Ch. 1 - Which general mechanism of homeostatic regulation...Ch. 1 - Why is homeostatic regulation important to an...Ch. 1 - Prob. 22CPCh. 1 - What happens to the body when homeostasis breaks...Ch. 1 - Prob. 24CPCh. 1 - Prob. 25CPCh. 1 - Define equilibrium.Ch. 1 - When the body continuously adapts by using...Ch. 1 - LEVEL 1 Reviewing Facts and Terms 1. Label the...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - 2. cytology (a) study of tissues 3. physiology (b)...Ch. 1 - Prob. 17RQCh. 1 - The study of the structure of tissues is called...Ch. 1 - The increasingly forceful labor contractions...Ch. 1 - Prob. 20RQCh. 1 - A plane through the body that passes perpendicular...Ch. 1 - Prob. 22RQCh. 1 - Prob. 23RQCh. 1 - A learning outcome is best described as (a) a goal...Ch. 1 - (a) Define anatomy. (b) Define physiology.Ch. 1 - The two major body cavities of the trunk are the...Ch. 1 - What distinguishes autoregulation from extrinsic...Ch. 1 - Describe the anatomical position.Ch. 1 - Which sectional plane could divide the body so...Ch. 1 - Prob. 30RQCh. 1 - Prob. 31RQCh. 1 - Prob. 32RQCh. 1 - Besides the liver and most of the large intestine,...Ch. 1 - If the deep knife wound had been superior to the...
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- DEFINE PHYSIOLOGY Note: Do not copy in the internetarrow_forwardAre the physiological functions controlled by multiple regulatory systems? How?arrow_forwardWhat effect would swimming in cool water have on body temperatureregulation? What would happen if a negative-feedback mechanismdid not return the value of a variable, such as body temperature, to itsnormal range?arrow_forward
- Jamie has fallen ill. Her body temperature has risen to high levels. Her blood pressure is high and her glucose level is low. In order for her body to return to homeostasis and for Jamie to feel better, the following events are taking place: Select all that apply Dilating blood vessels reduce blood pressure Lowering her body temperature by sweating Raise her body temperature by sweating Apply positive feedback to restore glucose levels in the blood stream by using the hormone glucagon which will raise blood sugar Apply negative feedback to restore glucose levels in the blood stream by using the hormone glucagon which will raise blood sugar Constricting blood vessels to increase blood pressurearrow_forwardPositive feedback mechanisms are beneficial, but they need to be controlled. Discuss a scenario where if positive feedback was allowed to continue, the body might get damaged.arrow_forwardFigure 33.21 State whether each of the following processes are regulated by a positive feedback loop or a negative feedback loop. A person feels satiated after eating a large meal. The blood has plenty of red blood cells. As a result, erythropoietin, a hormone that stimulates the production of new red blood cells, is no longer released from the kidney.arrow_forward
- Susie participates in BPCC's blood drive. Afterward, her red blood cell count is low and her she is slightly dehydrated. Her brain tells her bone marrow to produce more red blood cells and her kidneys to conserve water. Susie’s bone marrow and kidneys are acting as what part of the homeostatic system?arrow_forwardDescribe a general physiological control system, includingthe role of negative feedback.arrow_forwardWhich of the following is an example of a positive feedback loop? Regulation of Calcium levels in the blood Regulation of water balance Regulation of blood sugar Regulation of blood clottingarrow_forward
- Sweating is an example of variable. It is also an example of negative feedback mechanism. a. Both statements are true b. Both statements are false c. First is true, Second is false d. First is false, Second is truearrow_forwardWhat is similar and different about a feedback loop or feedback cycle when describing a physiological process in the body?arrow_forwardWhat should happen to Body temperature ,Hydration Levels ,Blood glucose levels and Oxygen levels 30 minutes after completion of marathon? Is this an example of negative or positive feedback? Explain reasonsarrow_forward
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