Using Mechanism of Action,select the True Statement About the Antithyroid

question 3

Multiple Choice

Using mechanism of action,select the true statement about the antithyroid drugs,including propylthiouracil,methimazole,and methylthiouracil.

• A) The thioamide drugs inhibit the incorporation of iodide into tyrosine and the condensation of monoiodotyrosine and diiodotyrosine.
• B) The thioamide drugs inhibit the feedback loop (TRH, TSH) from stimulating
• C) the thyroid to secrete more T₃ and T₄.
• D) The thioamide drugs inhibit the anterior pituitary from secreting TSH (thyroid-stimulating hormone) into the bloodstream.
• E) None of these are correct

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