A patient is diagnosed with hyperthyroidism. Which one of these medications is likely to be prescribed to decrease the activity of her thyroid gland?
Liothyronine sodium (Cytomel)
Prednisone
Propylthiouracil
Synthroid (Levothyroxine)
The Correct Answer is C
A. Liothyronine sodium (Cytomel): Liothyronine is synthetic T3 and would increase thyroid hormone activity, not decrease it.
B. Prednisone: Incorrect as primary therapy. Glucocorticoids may be used adjunctively (e.g., thyroid storm) to reduce T4→T3 conversion, but they are not the primary antithyroid drug.
C. Propylthiouracil: Propylthiouracil (PTU) is an antithyroid medication that inhibits thyroid hormone synthesis and peripheral conversion of T4 to T3, reducing thyroid activity.
D. Synthroid (Levothyroxine): Levothyroxine is thyroid h
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Naloxone (Narcan): Naloxone reverses opioid effects, not benzodiazepines.
B. Flumazenil (Romazicon): Flumazenil is the benzodiazepine antagonist used to reverse respiratory depression from midazolam/other benzos.
C. Ativan (Lorazepam): Lorazepam is a benzodiazepine and would worsen benzodiazepine-induced respiratory depression.
D. Protamine Sulfate: Protamine reverses heparin, not benzodiazepines.
Correct Answer is ["1.0"]
Explanation
Ordered 10 mcg.
Supplied concentration = 5 mcg / 0.5 mL → that equals 10 mcg per 1.0 mL.
Volume needed = 10 mcg ÷ (10 mcg/mL) = 1.0 mL.
Correct answer: 1.0 ml
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