1. Which of the following blood vessels would cause the greatest increase in BP?

Question

1. Which of the following blood vessels would cause the greatest increase in BP? a. b. c. d. e. a long, large diameter blood vessel a short, large radius blood vessel a long, small diameter blood vessel a short, small diameter blood vessel a medium length, large radius blood vessel 2. Which of the following factors would most likely cause a decrease in blood pressure? a. increase vasoconstriction b. increase stroke volume c. increase adrenaline d. increase vasodilation e. increase sympatheic activity 3. Which vessel of the heart receives blood during left ventricular systole? a. Venae cavae b. Pulmonary trunk c. Aorta d. Pulmonary veins

Explanation / Answer

1. The answer is C). A long small diameter blood vessel would cause the greatest increase in blood pressure because, both of these factors increases peripheral resistance.

2. The answer is D). Vasodilation leads to the immediate decrease in arterial blood pressure as it causes an increase in blood flow and a decrease in vascular resistance.

3. The answer is B). Pulmonary trunk receives the blood during left ventricular systole.

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