Frank-Starling law of the heart,

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter44: The Circulatory System
Section: Chapter Questions
Problem 4TYK: A characteristic of blood circulation through or to the heart is that: a. the superior vena cava...
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2. According to Frank-Starling law of the heart,
A. increased preload causes increased cardiac output.
B. increased afterload causes increased cardiac output.
C. decreased preload causes increased afterload.
D. afterload influences cardiac output more than preload.
E. cardiac output is not influenced by preload.
3. During ventricular diastole, pressure in the ventricles falls to
large arteries is about
А. 120, 80
В. 80,120
С. 80,0
D. 0,80
mm Hg, while the pressure within the
mm Hg.
Е. 40, 120
4. Whereas (a) reflex is most important for regulating mean arterial pressure on a short-term basis;
And (b) is most important for regulating mean arterial pressure on a long-term basis.
(а)
A. baroreceptor
B. chemoreceptor
C. thermoreceptor
(b)
sex hormone
thermoregulation
digestion
baroreceptor
renin-angiotensin-aldosterone mechanism
D. hormonal
E. baroreceptor
Transcribed Image Text:2. According to Frank-Starling law of the heart, A. increased preload causes increased cardiac output. B. increased afterload causes increased cardiac output. C. decreased preload causes increased afterload. D. afterload influences cardiac output more than preload. E. cardiac output is not influenced by preload. 3. During ventricular diastole, pressure in the ventricles falls to large arteries is about А. 120, 80 В. 80,120 С. 80,0 D. 0,80 mm Hg, while the pressure within the mm Hg. Е. 40, 120 4. Whereas (a) reflex is most important for regulating mean arterial pressure on a short-term basis; And (b) is most important for regulating mean arterial pressure on a long-term basis. (а) A. baroreceptor B. chemoreceptor C. thermoreceptor (b) sex hormone thermoregulation digestion baroreceptor renin-angiotensin-aldosterone mechanism D. hormonal E. baroreceptor
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