ATI RN
Central Nervous System Stimulants and Related Drugs NCLEX Style Questions Questions
Question 1 of 5
Which of the following adverse effects of levodopa is not minimized by combining it with carbidopa
Correct Answer: A
Rationale: Carbidopa does not prevent dyskinesias caused by prolonged levodopa use.
Question 2 of 5
Cervical priming with prostaglandin results in
Correct Answer: C
Rationale: Prostaglandins soften and dilate the cervix, facilitating labor induction.
Question 3 of 5
A 73-year-old man presents to his primary care physician complaining of a weak stream and nocturia four times at night. He is very sensitive to the medication side effects and is reluctant to take medications for this reason. Physical examination reveals a mildly enlarged prostate. Treatment of this condition may involve the use of which of the following agents to minimize side effects?
Correct Answer: D
Rationale: Tamsulosin is an α1-adrenergic receptor antagonist that is selective for the prostate and bladder neck, minimizing systemic side effects like hypotension.
Question 4 of 5
Which of the following has minimal anti-inflammatory action?
Correct Answer: C
Rationale: Enalapril is an ACE inhibitor with no significant anti-inflammatory action.
Question 5 of 5
The characteristic feature of phenytoin pharmacokinetics is
Correct Answer: C
Rationale: Phenytoin follows nonlinear (saturation) kinetics meaning small dose increases can cause disproportionate rises in blood levels.