ANATOMY
CHEST AND CARDIOVASCULAR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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how many valves are in the heart?
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5
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2
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4
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3
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Explanation:
Detailed explanation-1: -The left and right ventricles contact. This closes the mitral and tricuspid valves preventing back blood flow. At the same time, the aortic and pulmonic valves open to let blood be pumped out of the heart.
Detailed explanation-2: -Each valve typically has three flaps, except for the mitral valve, which has two. Any of the four valves can become leaky. This means that just after the heart squeezes and pumps blood forward, some blood will leak backward through the valve. Leaking through the valve is also called valve regurgitation.
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