ATI RN
CNS Drugs Pharmacology PDF Questions
Question 1 of 5
The following opioid agonist is used in the controlled withdrawal of addicts from morphine:
Correct Answer: B
Rationale: Methadone (choice B), a long-acting mu agonist, stabilizes morphine addicts during withdrawal, reducing symptoms with its gradual onset and duration. Meperidine (choice A), Fentanyl (choice C), and Codeine (choice D), full agonists, lack the pharmacokinetic profile for controlled withdrawal, being shorter-acting or less suited. Methadone's role is pivotal in addiction therapy.
Question 2 of 5
Celecoxib produces:
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 3 of 5
The principal use of leflunomide is in the management of:
Correct Answer: D
Rationale: Leflunomide (choice D) manages rheumatoid arthritis by inhibiting pyrimidine synthesis, reducing immune-mediated joint damage. Psoriasis (choice A), peptic ulcer (choice B), and colon cancer (choice C) involve different pathologies (e.g., skin, GI, oncology), not leflunomide's target. This reflects its immunomodulatory role.
Question 4 of 5
Which one of the following drugs causes gum hyperplasia?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
Potential adverse effects of aspirin include all of the following EXCEPT:
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.