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During each cardiac cycle two prominent ...

During each cardiac cycle two prominent sounds are produced which can be easily heard through a stethoscope. If during check up the heart sounds are not clear it indicates

A

Cardiac arrest

B

Heart failure

C

Leaky valves

D

Atherosclerosis

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**Step-by-Step Solution:** 1. **Understanding Heart Sounds**: During each cardiac cycle, the heart produces two prominent sounds, commonly referred to as "lub" and "dub". These sounds are produced by the closure of heart valves. 2. **Identifying the Issue**: If during a check-up, the heart sounds are not clear, it suggests that there may be an underlying problem with the heart's function or structure. 3. **Possible Conditions**: - **Cardiac Arrest**: This condition occurs when the heart stops pumping effectively, which would lead to no heart sounds being detected. - **Murmurs**: These are abnormal sounds that can occur due to leaky valves or incomplete closure of the heart valves, which can cause the sounds to be unclear but not necessarily indicate a complete stop in heart function. - **Heart Failure**: This condition may lead to changes in heart sounds but does not directly correlate with the absence of sounds. 4. **Conclusion**: If heart sounds are not clear, it primarily indicates a potential cardiac arrest situation, where the heart may not be functioning at all. However, it could also indicate other issues like murmurs due to valve problems. 5. **Final Answer**: Therefore, if heart sounds are not clear during a check-up, it indicates a serious condition, potentially cardiac arrest. ---
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