ATI RN
CNS Drugs Pharmacology Questions
Question 1 of 5
The mechanism by which thiocyanate reduces synthesis of thyroid hormones is by inhibition of which of the following?
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 2 of 5
For patients who have been on long-term therapy with a glucocorticoid and who now wish to discontinue the drug, gradual tapering of the glucocorticoid is needed to allow recovery of:
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 3 of 5
The unique property of SERMs is that they:
Correct Answer: A
Rationale: SERMs (choice A) like tamoxifen act as estrogen agonists (e.g., bone) and antagonists (e.g., breast), a tissue-selective property defining their utility in cancer and osteoporosis. They don't use unique receptors (choice B), combine estrogen/progestin agonism (choice C), or inhibit aromatase (choice D, anastrozole's role). This selectivity is critical for targeted therapy.
Question 4 of 5
Plasma lithium levels may become toxic in the presence of all of the following EXCEPT
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
Flumazenil
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.