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: Dexamethasone, a steroid, reduces inflammation but doesn’t dissolve or prevent pulmonary embolism clots, irrelevant to acute anticoagulation needs here.
Choice B reason: Heparin, an anticoagulant, prevents clot growth in pulmonary embolism, stabilizing it to reduce further lung vessel occlusion, the standard initial treatment.
Choice C reason: Atropine treats bradycardia by increasing heart rate, not addressing pulmonary embolism’s clot, which requires anticoagulation, not cardiac pacing.
Choice D reason: Furosemide, a diuretic, manages fluid overload but doesn’t affect pulmonary embolism’s thrombus, focusing on volume, not clot dissolution or prevention.
Correct Answer is B
Explanation
Choice A reason: Fever of 103°F may occur in thyroid storm, not goiter, which is simply thyroid enlargement without systemic hypermetabolism or infection necessarily.
Choice B reason: Goiter is defined by thyroid gland enlargement, often from iodine deficiency or hyperplasia, palpable as a neck mass, the core characteristic here.
Choice C reason: Fibrotic tissue in arterioles relates to vascular diseases, not goiter, which involves thyroid tissue growth, not arterial structural changes.
Choice D reason: Glycosaminoglycan deposits occur in myxedema (hypothyroidism), not goiter, which is enlargement alone, not skin or connective tissue alteration.
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