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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