A patient with Graves disease exhibits tachycardia, heat intolerance, and exophthalmos. Prior to surgery, which drug is used to alter thyroid hormone levels?
a. Liotrix (Thyrolar)
b. Propranolol (Inderal)
c. Propylthiouracil (PTU)
d. Thyroid (Thyrotab)
ANS: C
Propylthiouracil is a potent antithyroid drug used in preparation for a subtotal thyroidectomy. Liotrix and thyroid are used as thyroid replacement. Propranolol is used to treat hypertension associated with hyperthyroidism.
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