{"id":57265,"date":"2024-04-16T00:59:01","date_gmt":"2024-04-16T00:59:01","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=57265"},"modified":"2024-04-16T00:59:01","modified_gmt":"2024-04-16T00:59:01","slug":"the-audible-sounds-of-heart-are-made-by-the-closing-of-the","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-audible-sounds-of-heart-are-made-by-the-closing-of-the\/","title":{"rendered":"The audible sounds of heart are made by the closing of the"},"content":{"rendered":"

[amp_mcq option1=”Arteries” option2=”Veins” option3=”Valve” option4=”Ventricle” correct=”option3″]<\/p>\n

The correct answer is C. Valve.<\/p>\n

The heart has four valves: the mitral valve, the tricuspid valve, the aortic valve, and the pulmonic valve. These valves open and close to allow blood to flow through the heart in the correct direction.<\/p>\n

The mitral valve and the tricuspid valve are located between the atria and the ventricles. The aortic valve and the pulmonic valve are located between the ventricles and the arteries.<\/p>\n

When the ventricles contract, the valves close to prevent blood from flowing back into the atria. This closure of the valves produces the first heart sound, which is a lub sound.<\/p>\n

When the ventricles relax, the valves open to allow blood to flow into the arteries. This opening of the valves produces the second heart sound, which is a dub sound.<\/p>\n

The audible sounds of the heart are important because they can be used to assess the health of the heart. For example, a heart murmur is an abnormal sound that can be caused by a problem with one of the valves.<\/p>\n","protected":false},"excerpt":{"rendered":"

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