(1 point). Listen.
Which laboratory result should the nurse monitor to determine the severity of heart failure in a patient?
Troponin T.
C-reactive protein.
Potassium.
Brain natriuretic peptide.
The Correct Answer is D
Choice A rationale:
Troponin T is a cardiac biomarker used to diagnose myocardial infarction, not to determine the severity of heart failure. It is not the most appropriate laboratory result to monitor for heart failure severity.
Choice B rationale:
C-reactive protein is a marker of inflammation and is not typically used to determine the severity of heart failure. While inflammation can be present in heart failure, it is not a specific marker for its severity.
Choice C rationale:
Potassium levels can be important in heart failure management, but they do not directly indicate the severity of heart failure. Abnormal potassium levels can be a consequence of heart failure and its treatment.
Choice D rationale:
Brain natriuretic peptide (BNP) is the most appropriate laboratory result to monitor to determine the severity of heart failure in a patient. Elevated levels of BNP are associated with increased severity of heart failure. BNP is released by the heart in response to increased pressure and volume, which occurs in heart failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
A high-sodium diet is a risk factor for hypertension but is not directly associated with atherosclerosis. Atherosclerosis primarily involves the buildup of plaque within the arteries, which can lead to the narrowing and hardening of these blood vessels. While hypertension is a risk factor for atherosclerosis, the choice does not correctly address the question, as it asks for risk factors associated with atherosclerosis specifically.
Choice B rationale:
Advanced age is indeed a risk factor for atherosclerosis. As individuals age, the risk of atherosclerosis and related cardiovascular diseases increases. Atherosclerosis is a progressive condition that develops over time, and older individuals are more likely to have accumulated risk factors contributing to its development. Therefore, this choice is correct in identifying an associated risk factor for atherosclerosis.
Choice C rationale:
The correct answer is choice C because hyperhomocysteinemia is a known risk factor for atherosclerosis. Elevated levels of homocysteine, an amino acid, have been linked to an increased risk of atherosclerosis and cardiovascular disease. This choice is accurate in identifying a specific risk factor for atherosclerosis and aligns with current medical knowledge.
Choice D rationale:
A low-potassium diet is not a direct risk factor for atherosclerosis. While potassium intake can affect blood pressure regulation, it is not one of the primary risk factors for atherosclerosis. Atherosclerosis is primarily related to factors like high cholesterol levels, hypertension, smoking, and diabetes. Therefore, this choice is not correct in the context of risk factors for atherosclerosis.
Correct Answer is C
Explanation
Choice A rationale:
The client with bipolar disorder speaking loudly may be experiencing a manic episode, but this doesn't represent an immediate physical concern. There's no indication of a medical emergency here.
Choice B rationale:
Olfactory hallucinations in a client with schizophrenia are concerning, but it doesn't necessarily indicate an immediate physical issue that requires urgent attention.
Choice C rationale:
A client taking clozapine and reporting a sore throat is of immediate concern because clozapine is associated with a risk of agranulocytosis, a potentially life-threatening condition that can manifest as a sore throat. Monitoring for this side effect is crucial.
Choice D rationale:
While weight gain in a client taking lithium should be monitored, it's not an acute issue that requires immediate attention.
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