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All of the Following Will Increase Heart Rate Except

Question 1
Multiple Choice

All of the following will increase heart rate except: A) sympathetic stimulation. B) a decrease in aortic blood pressure. C) a decrease in carotid blood pressure. D) stimulation of cold receptors in the skin.

D

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Q 2
Which of the following is not true of the baroreceptors? A) They are stretch receptors. B) They are sensitive to changes in the oxygen content of the blood. C) They send afferent nerve impulses to the cardiac control centers. D) They are located in the carotid sinus and the aorta.
Q 3
Which of the following factors increases heart rate? A) Sudden, intense pain of visceral organs such as the intestines and the gallbladder B) Stimulation of skin receptors by cold C) Anxiety and fear D) Grief
Q 4
Peripheral resistance is affected primarily by: A) the length of myocardial fibers. B) blood viscosity and the diameter of arterioles. C) the capacity of the blood reservoirs. D) elasticity of the heart.
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