Topics: The Cardiovascular System: Blood Vessels and Hemodynamics Quiz
Stimulation of baroreceptors in large arteries of the head and neck, triggers sympathetic stimulation of vascular smooth muscle, resulting in______
A. decrease in blood pressure
B. decrease in heart rate.
C. vasoconstriction.
D. vasodilation
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If blood pressure drops,a negative feedback mechanism causes.
A. activation of the venous reservoirs.
B. increase capillary blood flow.
C. increase heart rate, stroke volume, and vasoconstriction.
D. vasodilation of systemic arterioles.