Which pharmacologic therapy does the nurse anticipate administering to a client who is experiencing acute thyrotoxicosis?

Acetaminophen

Furosemide

Ketoconazole

Levothyroxine

Answer and Explanation

The Correct Answer is C

A. Acetaminophen: While acetaminophen can help manage fever, it is not a primary treatment for acute thyrotoxicosis. The management of acute thyrotoxicosis involves addressing the overproduction of thyroid hormones, not just symptom relief.
B. Furosemide: Furosemide is a diuretic used for fluid retention and hypertension, not for managing thyrotoxicosis. It does not address the underlying cause of acute thyrotoxicosis.
C. Ketoconazole: Ketoconazole is an anti-fungal medication that also has the effect of inhibiting cortisol synthesis and can be used to treat acute thyrotoxicosis by reducing the production of thyroid hormones. It is used as part of a broader treatment plan.
D. Levothyroxine: Levothyroxine is used to treat hypothyroidism by providing synthetic thyroid hormone. It is not used to treat thyrotoxicosis, which involves excessive thyroid hormone levels, not deficiency.

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Correct Answer is A

Explanation

A. B-type natriuretic peptide (BNP): BNP levels are elevated in heart failure due to increased pressure and stretch in the heart's chambers. It is a key marker used to diagnose and assess the severity of heart failure.
B. Troponin I: This marker is used to diagnose myocardial infarction (heart attack) rather than heart failure. Elevated troponin levels indicate damage to the heart muscle.
C. Blood urea nitrogen (BUN): BUN levels can be elevated in heart failure due to decreased renal perfusion, but it is not as specific for diagnosing heart failure as BNP.
D. Platelet levels: Platelet levels are not directly related to the diagnosis of heart failure. They are more relevant for assessing clotting disorders and other conditions.

A. Elevated adrenocorticotropic hormone (ACTH) and elevated cortisol B. Elevated adrenocorticotropic hormone (ACTH) and low cortisol C. Low adrenocorticotropic hormone (ACTH) and elevated cortisol D. Low adrenocorticotropic hormone (ACTH) and low cortisol

Correct Answer is A

Explanation

A. Elevated adrenocorticotropic hormone (ACTH) and elevated cortisol: In cases of ectopic ACTH syndrome, the tumor produces ACTH, which stimulates the adrenal glands to produce excess cortisol. Therefore, both ACTH and cortisol levels are elevated.
B. Elevated adrenocorticotropic hormone (ACTH) and low cortisol: This scenario is less likely as elevated ACTH typically results in increased cortisol production, not decreased.
C. Low adrenocorticotropic hormone (ACTH) and elevated cortisol: This is characteristic of primary adrenal insufficiency, not ectopic ACTH syndrome, where ACTH levels are usually high.
D. Low adrenocorticotropic hormone (ACTH) and low cortisol: This pattern is inconsistent with Cushing syndrome, especially due to ectopic ACTH-secreting tumors, which typically result in elevated ACTH and cortisol.

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Which pharmacologic therapy does the nurse anticipate administering to a client who is experiencing acute thyrotoxicosis?

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Naxlex Comprehensive Predictor Exams

A client seen in the clinic with shortness of breath and fatigue is being evaluated for a possible diagnosis of heart failure. Which laboratory result will be the most useful for diagnosing heart failure?

Correct Answer is A

Explanation

Correct Answer is A

Explanation

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