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Which of These Is NOT Part of an Extrinsic Regulatory

Question 22

Multiple Choice

Which of these is NOT part of an extrinsic regulatory mechanism of the heart?


A) baroreceptor reflex
B) sympathetic or parasympathetic stimulation of the SA node
C) epinephrine secreted from the adrenal medulla
D) chemoreceptors for oxygen in the medulla oblongata
E) change in venous return

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