The pharmacology instructor is talking about the drug propylthiouracil (ptu). what would the instructor cite as the primary mode of action for propylthiouracil (ptu)?

a) to destroy part of the thyroid gland
b) to inhibit production of thyroid hormone
c) to suppress the anterior pituitary gland's hormonal secretions
d) to sedate the cns and suppress cardiac function

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for