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First sound of heart beat is lower frequency and longer duration. If develops during
- a)Opening of bicuspid and Tricuspid valve
- b)Closing of bicuspid and Tricuspid valve
- c)Opening of semi lunar valves
- d)Closing of semi luarn valves
Correct answer is option 'B'. Can you explain this answer?
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First sound of heart beat is lower frequency and longer duration. If d...
Explanation:
The sound of a heartbeat is produced by the closure of heart valves. The first heart sound is generated by the closure of the bicuspid and tricuspid valves, while the second heart sound is generated by the closure of the aortic and pulmonary valves.
- First heart sound: The first heart sound is a low-frequency sound that is longer in duration. It is produced by the closure of the bicuspid and tricuspid valves, which occurs at the beginning of systole when the ventricles contract. This sound is also known as S1.
- Second heart sound: The second heart sound is a higher frequency sound that is shorter in duration. It is produced by the closure of the aortic and pulmonary valves, which occurs at the end of systole when the ventricles relax. This sound is also known as S2.
Therefore, option B is the correct answer as it states that the first sound of a heart beat is produced by the closing of the bicuspid and tricuspid valves.
The sound of a heartbeat is produced by the closure of heart valves. The first heart sound is generated by the closure of the bicuspid and tricuspid valves, while the second heart sound is generated by the closure of the aortic and pulmonary valves.
- First heart sound: The first heart sound is a low-frequency sound that is longer in duration. It is produced by the closure of the bicuspid and tricuspid valves, which occurs at the beginning of systole when the ventricles contract. This sound is also known as S1.
- Second heart sound: The second heart sound is a higher frequency sound that is shorter in duration. It is produced by the closure of the aortic and pulmonary valves, which occurs at the end of systole when the ventricles relax. This sound is also known as S2.
Therefore, option B is the correct answer as it states that the first sound of a heart beat is produced by the closing of the bicuspid and tricuspid valves.
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First sound of heart beat is lower frequency and longer duration. If d...
Option-B :The first heart sound is produced due to closure of tricuspid and bicuspid valves .
the second sound occurs when pulmonary and aortic semilunar valves close.
the second sound occurs when pulmonary and aortic semilunar valves close.
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First sound of heart beat is lower frequency and longer duration. If develops duringa)Opening of bicuspid and Tricuspid valveb)Closing of bicuspid and Tricuspid valvec)Opening of semi lunar valvesd)Closing of semi luarn valvesCorrect answer is option 'B'. Can you explain this answer?
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