Study Biology

Question 1

(Multiple Choice)

During a cardiovascular examination,a patient has a resting heart rate of 65 beats/minute and a blood pressure of 100/70 mm Hg in the supine position.In the upright position at steady state,the patient's heart rate is 74 beats/minute,and the blood pressure is 105/70 mm Hg.One physiological change that occurred in the patient as a result of assuming an upright position is:


A)Diminished arteriolar resistance.
B)Increased venous capacitance.
C)Increased capillary filtration.
D)Increased cardiac vagal tone.
E)Increased cardiac sympathetic tone.

Answer

E

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