A nurse is providing education to a client who has Graves' disease and who will be returning home after receiving their first dose of radioactive iodine therapy. Which of the following information should the nurse include?
"You may need to repeat this therapy again in three weeks if the first dose doesn't achieve optimal results."
"Avoid being close to pregnant women and children for 7 days after your treatment."
"You may need to begin corticosteroid replacement therapy after this treatment."
"The purpose of this therapy is to increase your levels of thyroid hormone."
The Correct Answer is B
A. "You may need to repeat this therapy again in three weeks if the first dose doesn't achieve optimal results": Radioactive iodine therapy may require additional doses, but this is not determined by a set timeframe such as three weeks. The need for additional therapy is based on the individual’s response and thyroid function tests.
B. "Avoid being close to pregnant women and children for 7 days after your treatment": This is correct as radioactive iodine therapy can emit radiation, and avoiding close contact with vulnerable populations such as pregnant women and children helps minimize their exposure to radiation.
C. "You may need to begin corticosteroid replacement therapy after this treatment": This is incorrect because corticosteroid replacement is not typically required after radioactive iodine therapy for Graves' disease. The treatment primarily targets the thyroid gland.
D. "The purpose of this therapy is to increase your levels of thyroid hormone": This is incorrect. The purpose of radioactive iodine therapy is to reduce thyroid hormone production by destroying thyroid tissue, which helps to manage hyperthyroidism in Graves' disease.
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Naxlex Comprehensive Predictor Exams
Related Questions
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.
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.
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