Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Question
Chapter 14, Problem 12bCP
Summary Introduction
To review:
The following:
Role of baroreceptor reflex in compensating for the decline in blood pressure
Reason behind a rapid pulse of an extremely dehydrated person
Introduction:
Baroreceptors are a type of stretch receptors situated in the aortic arch and the carotid sinuses. These receptors are maintained in a constant active state. The maintenance of a normal blood pressure is vital for life. The elevated blood pressure is associated with a number of anomalies and so is the low blood pressure.
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Chapter 14 Solutions
Human Physiology
Ch. 14 - Prob. 1CPCh. 14 - Prob. 2aCPCh. 14 - Describe how the stroke volume is intrinsically...Ch. 14 - Define the terms preload and afterload and explain...Ch. 14 - Prob. 3CPCh. 14 - Prob. 4aCPCh. 14 - Define the term edema and describe four different...Ch. 14 - Prob. 5aCPCh. 14 - Prob. 5bCPCh. 14 - Prob. 5cCP
Ch. 14 - Prob. 6aCPCh. 14 - Prob. 6bCPCh. 14 - Prob. 7aCPCh. 14 - Prob. 7bCPCh. 14 - Define autoregulation and explain how this process...Ch. 14 - Describe blood flow and oxygen delivery to the...Ch. 14 - Prob. 9aCPCh. 14 - Describe the mechanisms that produce vasodilation...Ch. 14 - Prob. 9cCPCh. 14 - Define the term autoregulation and describe how...Ch. 14 - Prob. 10bCPCh. 14 - Prob. 11CPCh. 14 - Prob. 12aCPCh. 14 - Prob. 12bCPCh. 14 - Prob. 13aCPCh. 14 - Prob. 13bCPCh. 14 - Prob. 14CPCh. 14 - Prob. 15aCPCh. 14 - Prob. 15bCPCh. 14 - Prob. 15cCPCh. 14 - Prob. 16CPCh. 14 - Prob. 1RACh. 14 - In the absence of compensations, the stroke volume...Ch. 14 - Prob. 3RACh. 14 - Prob. 4RACh. 14 - Prob. 5RACh. 14 - Prob. 6RACh. 14 - Prob. 7RACh. 14 - The sounds of Korotkoff are produced by...Ch. 14 - Prob. 9RACh. 14 - Blood flow in the coronary circulation...Ch. 14 - Prob. 11RACh. 14 - Prob. 12RACh. 14 - Prob. 13RACh. 14 - Prob. 14RACh. 14 - Prob. 15RACh. 14 - Blood pressure is lowest in
Ch. 14 - Prob. 17RACh. 14 - Prob. 18RACh. 14 - Prob. 19RACh. 14 - The pulse pressure is a measure of
Ch. 14 - Define the terms contractilily, preload, and...Ch. 14 - Prob. 22RACh. 14 - Which part of the cardiovascular system contains...Ch. 14 - Prob. 24RACh. 14 - Prob. 25RACh. 14 - Prob. 26RACh. 14 - Prob. 27RACh. 14 - Prob. 28RACh. 14 - Prob. 29RACh. 14 - Prob. 30RACh. 14 - Prob. 31RACh. 14 - Prob. 32RACh. 14 - Prob. 33RACh. 14 - Prob. 34RACh. 14 - Prob. 35RACh. 14 - Prob. 36RACh. 14 - Prob. 37RACh. 14 - As described in chapter 8, functional magnetic...Ch. 14 - Prob. 39RACh. 14 - Athletes often have a slower resting cardiac rate...Ch. 14 - Prob. 41RACh. 14 - Prob. 42RACh. 14 - Prob. 43RACh. 14 - Prob. 44RACh. 14 - Prob. 45RACh. 14 - Prob. 46RA
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- Describe the baroreceptor reflex changes that occur to maintain blood pressure when you rise from a lying-down to a standing position.arrow_forwardWhat happens to the pulse rate when activities demand more body movements? Explain. Give 2 systems that are directly affected whenever pulse rate increases? Why?arrow_forwardWhy might exercising on a very hot day result in fainting?arrow_forward
- Does a change in body position from supine to standing cause a change in pulse?arrow_forwardBlood flow to the skeletal muscles increases with exercise. Explain how the autonomic nervous system mediates the increase in blood flow to skeletal muscles.arrow_forwardWhen you are cold, your blood vessels contract. However, your heart rate and blood pressure increases. Explain. What is the physiological function of increasing heart rate?arrow_forward
- Which scenarios or external factors would cause the parasympathetic nervous system to activate decreased blood pressure?arrow_forwardWomen in the late nineteenth and early twentieth centuries wore whalebone corsets that severely restricted the respiratory and digestive systems. These corsets were worn to have a wasp-like waist. It was quite common for these women to faint—in fact, they had “fainting couches.” Explain the physiological reason for their fainting problems.arrow_forwardState how changes in body position (changing from standing to reclining or from reclining to standing) affect blood pressure and pulse. How does exercise affects blood pressure and pulse?arrow_forward
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