ATI RN
Pharmacology CNS Drugs Classification Questions
Question 1 of 5
A patient with epilepsy is treated with a drug which causes psychotic behaviors. Of the following antiepileptic agents, which is associated with the highest risk of causing psychosis?
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 2 of 5
The following drugs are adrenocorticoid antagonists EXCEPT:
Correct Answer: C
Rationale: Metyrapone (choice A), Mifepristone (choice B), and Ketoconazole (choice D) antagonize corticosteroids by inhibiting synthesis or receptor binding. Raloxifene (choice C), a SERM, affects estrogen receptors for osteoporosis/breast cancer, not adrenocorticoids. This exception distinguishes endocrine drug targets.
Question 3 of 5
Oral antidiabetic drugs include the following EXCEPT:
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 4 of 5
Human insulin is derived from:
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
α-Glucosidase, an enzyme that is inhibited by acarbose, is responsible for:
Correct Answer: C
Rationale: α-glucosidase (choice C), inhibited by acarbose, digests carbohydrates in the gut, and its blockade delays glucose absorption, aiding diabetes. DNA untwisting (choice A), cephalosporin resistance (choice B), and methotrexate toxicity (choice D) involve unrelated mechanisms. This targets glycemic control.