During chest auscultation, the nurse hears a quiet murmur immediately upon placing the stethoscope on the client's chest. The nurse interprets this as which grade?
I
X
II
III
The Correct Answer is A
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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. A flat murmur does not accurately describe the type of murmur associated with mitral insufficiency.
B. Mitral insufficiency is typically classified as a systolic murmur, not diastolic.
C. An absent murmur would indicate no audible sound, which is not applicable here.
D. Mitral insufficiency or regurgitation is characterized by a systolic murmur due to the backflow of blood from the left ventricle into the left atrium during systole.
Correct Answer is C
Explanation
C. Ventricles: After blood is received by the atria, it flows through the atrioventricular (AV) valves into the ventricles.
A. Chordae tendineae: These are the tendinous cords that anchor the AV valves but are not the structures where blood flows.
B. Precordium: This term refers to the area of the chest wall over the heart, not a chamber of the heart where blood flows.
D. Semilunar valves: These valves are located between the ventricles and the arteries (pulmonary and aortic) and are not the immediate next location for blood after the atria.
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