PATHOLOGY MCQ
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the function of valves?
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To prevent mixing of oxygenated and deoxygenated blood
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To transport blood in one direction
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To prevent backflow of blood
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None of the above
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Explanation:
Detailed explanation-1: -The valves prevent the backward flow of blood. Valves are actually flaps (leaflets) that act as one-way inlets for blood coming into a ventricle and one-way outlets for blood leaving a ventricle. Normal valves have 3 flaps (leaflets), except the mitral valve.
Detailed explanation-2: -A backflow preventer valve is designed to prevent the water in your main water supply lines from flowing in a reverse direction. The valve will distribute the sanitary water from the main supply pipes to the water lines beneath your foundation.
There is 1 question to complete.