The nurse is asked to describe what the heart sound S2 represents. What would be the correct response by the nurse?
Closure of the pulmonic and mitral valves
Closure of the tricuspid and mitral valves
Closure of the aortic and pulmonic valves
Closure of the aortic and mitral valves
Closure of the pulmonic and tricuspid valves
The Correct Answer is C
A. The closure of the pulmonic and mitral valves corresponds to heart sound S1, not S2.
B. The tricuspid and mitral valves close with S1.
C. Heart sound S2 represents the closure of the aortic and pulmonic valves, signaling the end of systole and the beginning of diastole.
D. The mitral valve closes with S1, not S2.
E. The pulmonic and tricuspid valves do not correspond with S2.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Poor hair growth is more associated with arterial insufficiency.
B. A weak pulse may suggest arterial, not venous, insufficiency.
C. Edema is a common finding in venous insufficiency due to fluid pooling in the extremities.
D. Muscle atrophy is not typically associated with venous insufficiency.
E. Pale color is more indicative of arterial insufficiency, while venous insufficiency may present with darkened or reddish skin.
Correct Answer is A
Explanation
A. In peripheral arterial insufficiency, blood flow is reduced, leading to cooler skin temperatures, especially in the affected extremity.
B. Nail appearance may be unhealthy due to poor perfusion; nails may become thickened or grow slowly.
C. Skin is typically cool and may be dry, not warm, indicating reduced blood flow.
D. A pulse of 2+ is within normal range; however, pulses may be diminished or absent in cases of significant arterial insufficiency.
E. The leg typically does not appear swollen; rather, it may show signs of atrophy or hair loss due to inadequate blood supply.
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