Aortic insufficiency/regurgitation murmur is classified as a:
Systolic murmur
Diastolic murmur
Absent murmur
Very faint murmur
The Correct Answer is B
A. Systolic murmur: Systolic murmurs occur during systole and include conditions like aortic stenosis or mitral regurgitation.
B. Diastolic murmur: Aortic insufficiency/regurgitation occurs during diastole when the aortic valve fails to close properly, allowing blood to flow back into the left ventricle.
C. Absent murmur: Aortic insufficiency/regurgitation is not classified as absent; it is detectable with auscultation.
D. Very faint murmur: Although aortic regurgitation murmurs can vary in intensity, the classification pertains to the timing of the murmur, not its loudness.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Gallops refer to abnormal heart sounds that occur during the cardiac cycle, not typically associated with sounds over the carotid artery.
B. Murmurs are abnormal heart sounds that occur due to turbulent blood flow in the heart, not typically related to the carotid artery.
C. Normal findings would not usually include high-pitched swooshing sounds over the carotid artery; such sounds are abnormal.
D. Bruits are abnormal sounds caused by turbulent blood flow in the arteries, which can be detected as high-pitched swooshing sounds over the carotid artery, often indicative of stenosis or narrowing of the vessel.
Correct Answer is A
Explanation
A. I: A grade I murmur is very faint and may not be heard immediately without careful listening. The description of a murmur heard immediately upon placing the stethoscope indicates it is a grade I.
B. X: There is no grade X in the standard grading scale for heart murmurs.
C. II: A grade II murmur is quiet but easily heard with a stethoscope and would generally be more audible than described.
D. III: A grade III murmur is moderately loud and would be heard without difficulty. The description suggests a quieter murmur.
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