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Questions and Answers
Which factor affects the intensity of S1 by increasing the rate of rise of left ventricular pressure?
Which factor affects the intensity of S1 by increasing the rate of rise of left ventricular pressure?
- Increased contractility
- The rate of rise of ventricular pressure (correct)
- The condition of the valve
- The distance of the heart from the chest wall
What effect does increased contractility have on the intensity of S1?
What effect does increased contractility have on the intensity of S1?
- It produces an accentuated or louder S1
- It has no effect on S1
- It increases the intensity of S1 (correct)
- It softens S1
What happens to the intensity of S1 when the AV valve stiffens as a result of fibrosis or calcification?
What happens to the intensity of S1 when the AV valve stiffens as a result of fibrosis or calcification?
- It softens S1
- It decreases the intensity of S1
- It has no effect on S1
- It produces an accentuated or louder S1 (correct)
Which factor affects the intensity of S1 by the position of the valve at the time of ventricular contraction?
Which factor affects the intensity of S1 by the position of the valve at the time of ventricular contraction?
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What happens to the intensity of S1 as the valve of mitral stenosis becomes increasingly calcified?
What happens to the intensity of S1 as the valve of mitral stenosis becomes increasingly calcified?
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