The nurse is caring for a 32-year-old woman who has an enlarged thyroid, bulging eyes, and elevated T3 and T4 levels and states she has not had a menstrual cycle in 6 months. She also states she has tremors and keeps losing weight without trying. Which of the following medications would the nurse anticipate being ordered?
Hydroxychloroquine
Levothyroxine
Potassium iodide
Methotrexate
The Correct Answer is C
Choice A reason: Hydroxychloroquine treats autoimmune diseases like lupus by modulating immunity, not hyperthyroidism’s excess thyroid hormone production, irrelevant here.
Choice B reason: Levothyroxine supplements thyroid hormone in hypothyroidism, worsening this patient’s hyperthyroidism (high T3/T4), contraindicated for her symptoms.
Choice C reason: Potassium iodide inhibits thyroid hormone release, reducing T3 and T4 in hyperthyroidism (e.g., Graves’), addressing her goiter, exophthalmos, and weight loss effectively.
Choice D reason: Methotrexate suppresses immunity in cancer or autoimmunity, not targeting thyroid overactivity or hormone levels, unsuitable for hyperthyroidism management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Lactulose doesn’t lower glucose; it’s a sugar metabolized by gut bacteria, unrelated to blood sugar control in cirrhosis, where glucose issues stem elsewhere.
Choice B reason: In cirrhosis, lactulose traps ammonia in the gut by acidifying it, promoting excretion and reducing toxic levels that cause hepatic encephalopathy, the primary goal.
Choice C reason: Potassium levels aren’t directly reduced by lactulose; it affects ammonia via gut pH, not electrolytes like potassium, which may rise in renal issues.
Choice D reason: Bicarbonate isn’t targeted by lactulose; it’s a buffer altered in acid-base imbalances, not the focus in cirrhosis where ammonia reduction is critical.
Correct Answer is C
Explanation
Choice A reason: Levothyroxine treats hypothyroidism, but a non-palpable, non-tender thyroid is normal, not indicating low hormone needing replacement, so this is unnecessary.
Choice B reason: Thyroidectomy addresses hyperthyroidism or masses, not a non-palpable, non-tender gland, which is physiologically normal, making surgery irrelevant here.
Choice C reason: A healthy thyroid is typically non-palpable and non-tender, indicating no enlargement or inflammation, aligning with normal anatomy, so this is correct.
Choice D reason: Proper assessment finds a non-palpable thyroid as normal; suggesting error assumes pathology without evidence, when findings match expected norms.
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