Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Question
Chapter 15, Problem 1RQ
Summary Introduction
To determine: The organs whose homeostasis is maintained at the first preference by blood pressure.
Introduction: Homeostasis is the process by which equilibrium conditions are maintained in the body irrespective of changing environmental conditions. For example, the temperature of the human body is maintained at 37°C. However, the environmental temperature changes continuously.
Expert Solution & Answer
Explanation of Solution
The prime function of the blood pressure homeostasis is to maintain adequate perfusion of blood in the two organs which are described as follows:
- Heart: The blood flow provides adequate blood to all the tissues of the body. The delivery of appropriate nutrient and oxygen to the tissues maintains the homeostatic balance. In addition to this, veins carrying deoxygenated blood and carbon dioxide also maintain homeostasis in the heart.
- Brain: The blood flowing to the brain is deficient in oxygen and glucose. In case if an appropriate amount of blood does not reach the brain, it would lead to unconsciousness. Baroreceptors regulate the flow of blood to the brain. It helps in maintaining homeostasis in the brain.
Conclusion
Heart and brain are the organs where maintenance of adequate perfusion is the first priority of blood pressure homeostasis.
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Chapter 15 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 15.2 - Would you expect to find valves in the veins...Ch. 15.2 - Prob. 2CCCh. 15.2 - Who has the higher pulse pressure, someone with...Ch. 15.2 - The formula given for calculating MAP applies to a...Ch. 15.2 - Prob. 5CCCh. 15.3 - Resistance to blood flow is determined primarily...Ch. 15.3 - Prob. 7CCCh. 15.3 - Prob. 8CCCh. 15.3 - Skeletal muscle arterioles have both - and...Ch. 15.4 - Prob. 10CC
Ch. 15.4 - Prob. 11CCCh. 15.5 - Prob. 12CCCh. 15.5 - In the classic movie Jurassic Park, Dr. Ian...Ch. 15.6 - A man with liver disease loses the ability to...Ch. 15.6 - Prob. 15CCCh. 15.7 - Prob. 16CCCh. 15.7 - Malnourished children who have inadequate protein...Ch. 15 - Prob. 1RQCh. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - List the factors that aid venous return to the...Ch. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQCh. 15 - Prob. 11RQCh. 15 - Most systemic arterioles are innervated by the...Ch. 15 - Match each event in the left column with all...Ch. 15 - Which organs receive more than two-thirds of the...Ch. 15 - By looking at the density of capillaries in a...Ch. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Define edema. List some ways in which it can...Ch. 15 - Prob. 19RQCh. 15 - Prob. 20RQCh. 15 - Calcium channel blockers prevent Ca2+ movement...Ch. 15 - Prob. 22RQCh. 15 - Prob. 23RQCh. 15 - Define myogenic autoregulation. What mechanisms...Ch. 15 - Left ventricular failure may be accompanied by...Ch. 15 - Robert is a 52-year-old nonsmoker. He weighs 180...Ch. 15 - The following figure is a schematic representation...Ch. 15 - Prob. 28RQCh. 15 - Draw a reflex map that explains Anthonys vasovagal...Ch. 15 - Prob. 30RQCh. 15 - Prob. 31RQCh. 15 - Prob. 32RQCh. 15 - Prob. 33RQCh. 15 - Prob. 34RQCh. 15 - Prob. 35RQCh. 15 - Prob. 36RQCh. 15 - Prob. 37RQCh. 15 - Prob. 38RQCh. 15 - Prob. 39RQ
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