Which of the following does NOT affect the stroke volume of the heart?
A) oxygen concentration of the blood
B) strength of contraction of the ventricles
C) blood electrolyte concentration
D) venous return to the right atrium
Correct Answer:
Verified
Q42: The cardioregulatory center is located in the
A)cerebrum.
B)cerebellum.
C)medulla
Q44: Sympathetic stimulation of the heart causes the
Q53: The cardiac output is dependent on
A)heart rate.
B)respiration
Q54: Which chambers contract simultaneously?
A)two atria
B)right atrium and
Q56: A heart rate above 100 beats per
Q61: _ handle tissue exchange.
A)Veins
B)Arteries
C)Capillaries
Q62: What structures control blood flow into capillary
Q63: What is the leading cause of heart
Q64: Which of the following is NOT a
Q75: The adjustment of the contraction of the
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