While auscultating a patient's heart sounds, a nurse detects a fourth heart sound (S4). The nurse understands that this finding possibly indicates:.
Pericarditis.
Arterial obstruction or aneurysm.
Forceful atrial contraction to overcome ventricular resistance.
An infectious valvular disorder.
The Correct Answer is C
Choice A rationale:
Pericarditis is an inflammation of the pericardium and would not directly cause an S4 heart sound.
Choice B rationale:
Arterial obstruction or aneurysm would cause changes in blood flow, but not specifically an S4 heart sound.
Choice C rationale:
An S4 heart sound is an extra sound that is heard late in diastole just before S1. It occurs due to resistance to blood flow in an enlarged ventricle, often due to forceful atrial contraction to overcome ventricular resistance.
Choice D rationale:
An infectious valvular disorder could cause a variety of heart sounds, but not specifically an S42.
So, the correct answer is C, after analyzing all choices.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Nitroglycerin can cause side effects such as headache and dizziness, but nausea is not a common side effect.
Choice B rationale:
Nitroglycerin should be stored in a dark, cool place, not in a well-lit room.
Choice C rationale:
This is the correct answer. If chest pain is not relieved 5 minutes after taking nitroglycerin, it is recommended to call an ambulance.
Choice D rationale:
While nitroglycerin is taken when chest pain occurs, it can also be taken prior to activities that might cause chest pain.
So, the correct answer is Choice C, after analyzing all choices.
Correct Answer is A
Explanation
Choice A rationale:
Limiting salt and fluid intake is crucial for patients with restrictive cardiomyopathy to manage their condition.
Choice B rationale:
Avoiding aspirin or other anti-inflammatory drugs is not specifically related to the management of restrictive cardiomyopathy.
Choice C rationale:
Taking antibiotics before dental cleaning is a general recommendation for patients with certain heart conditions to prevent endocarditis, but it’s not specific to restrictive cardiomyopathy.
Choice D rationale:
Restarting an exercise program should be done under medical supervision and depends on the patient’s overall health status.
So, the correct answer is A, after analyzing all choices.
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