ATI RN
Central Nervous System Stimulants and Related Drugs NCLEX Style Questions Questions
Question 1 of 5
The following receptors are affected by antipsychotic drugs EXCEPT:
Correct Answer: C
Rationale: Antipsychotics (e.g., haloperidol) block central D2 (choice A) and 5-HT2 receptors (choice B) for efficacy, and muscarinic receptors (choice D) peripherally, causing side effects. Peripheral H2 receptors (choice C), involved in gastric acid secretion, aren't significantly affected; H1 antagonism occurs instead. This exception clarifies antipsychotic receptor profiles.
Question 2 of 5
Induction of various forms of synaptic plasticity is more closely associated with ______ receptors
Correct Answer: C
Rationale: NMDA receptors are crucial for synaptic plasticity and long-term potentiation.
Question 3 of 5
Which of the following tricyclic antidepressant drugs has the least anticholinergic effect and sedation?
Correct Answer: D
Rationale: Desipramine has the least anticholinergic effect and sedation compared to other tricyclic antidepressants.
Question 4 of 5
A 38-year-old woman presents to the ophthalmologist for a routine eye examination. She is given intraocular pilocarpine. She was supposed to be administered two drops in each to dilate the eyes for the examination. Unfortunately, the eyedrops were administered by a new technician who inadvertently administered 10 drops of pilocarpine in each eye. Which of the following agents should be immediately given to the patient?
Correct Answer: A
Rationale: Atropine, an anticholinergic agent, can counteract the effects of excessive pilocarpine, which is a cholinergic agonist, by blocking muscarinic receptors.
Question 5 of 5
Which of the following drugs would be useful to treat the patient's condition of repeated head jerking, blinking, and grimacing?
Correct Answer: B
Rationale: Aripiprazole is an antipsychotic medication that is commonly used to treat symptoms of Tourette syndrome, which includes tics like head jerking, blinking, and grimacing. Fluoxetine, clonazepam, naltrexone, and imipramine are not typically used for treating tics associated with Tourette syndrome.