A nurse is assisting with teaching a newly licensed nurse about heart sounds. Which of the following sounds is heard when the aortic and pulmonic valves close?
S1
S2
S3
S4
The Correct Answer is B
Choice A reason : S1 represents the sound made by the closure of the atrioventricular valves (mitral and tricuspid valves) and is not the sound associated with the closure of the aortic and pulmonic valves.
Choice B reason : S2 is the sound heard when the aortic and pulmonic valves close. It is often described as a "dub" and occurs at the end of ventricular systole.
Choice C reason : S3 is a rare extra heart sound that follows S2 and usually indicates an increase in left ventricular filling pressure, which can be found in conditions such as heart failure.
Choice D reason : S4 is another extra heart sound that occurs just before S1. It is typically associated with a stiff or hypertrophic ventricle and is not related to the closure of the aortic and pulmonic valves
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
Choice A reason: Monitoring cholesterol levels is essential while taking lisinopril. This medication is an angiotensin-converting enzyme (ACE) inhibitor used to treat high blood pressure, heart failure, and heart attack. Regular monitoring helps assess the impact of lisinopril on lipid levels and overall cardiovascular health. Elevated cholesterol can contribute to heart disease, so monitoring allows for timely interventions and adjustments in treatment.
Choice C reason: Potassium-rich foods are relevant because lisinopril can affect potassium levels. ACE inhibitors may lead to hyperkalemia (high potassium levels), especially in patients with impaired kidney function. Encouraging potassium-rich foods helps maintain a balance and prevent complications.
Choice D reason: Reporting a persistent dry cough is crucial. Lisinopril is associated with a common side effect: a dry, persistent cough. This occurs due to increased levels of bradykinin, a substance affected by ACE inhibitors. If the client experiences this cough, it's essential to notify the doctor for potential medication adjustments.
Choice E reason: Monitoring blood pressure aligns with the purpose of lisinopril. Regular blood pressure checks help assess the effectiveness of the medication in controlling hypertension. Consistent monitoring ensures timely adjustments and prevents complications related to high blood pressure.
Correct Answer is D
Explanation
Choice A reason : The triglyceride level of 130 mg/dL is within the normal range, which is less than 150 mg/dL for adults. Therefore, this result does not place the client at risk for peripheral arterial disease.
Choice B reason : An HDL level of 84 mg/dL is considered good as it is higher than the minimum recommended level of 40 mg/dL for males and 50 mg/dL for females. Higher levels of HDL are protective against heart disease.
Choice C reason : A blood glucose level of 92 mg/dL is within the normal fasting range of 70 to 99 mg/dL. This indicates that the client does not have diabetes, which is a risk factor for peripheral arterial disease.
Choice D reason : An LDL level of 172 mg/dL is considered high since the optimal level for LDL is less than 100 mg/dL. High levels of LDL cholesterol can lead to atherosclerosis, increasing the risk for peripheral arterial disease.
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