NCLEX PSYCHIATRICMENTAL HEALTH DRUGS EXAM NEWEST COMPLETE 100 QUESTIONS AND CORRECT

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NCLEX Psychiatric/Mental Health Drugs Exam

NCLEX PSYCHIATRIC/MENTAL HEALTH DRUGS EXAM NEWEST

2025/2026 COMPLETE 100 QUESTIONS AND CORRECT

DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED

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A nurse is administering medications to clients on a psychiatric unit. What does the nurse identify as the reason that so many psychiatric clients are given the drug benztropine or trihexyphenidyl in conjunction with the phenothiazine-derivative neuroleptic medications?

• They reduce postural hypotension.
• They potentiate the effects of the neuroleptic drug.
• They combat the extrapyramidal side effects of the neuroleptic drug.
• They ameliorate the depression that may accompany schizophrenia. - ANSWER-
• They combat the extrapyramidal side effects of the neuroleptic drug.

Which atypical antipsychotics are approved for long-term use to prevent the recurrence of mood episodes in clients with bipolar disease? Select all that apply.

• Olanzapine
• Quetiapine
• Ziprasidone
• Risperidone
• Aripiprazole - ANSWER-A. Olanzapine
• Ziprasidone 1 / 3

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NCLEX Psychiatric/Mental Health Drugs Exam

• Aripiprazole

An older adult living in a long-term care facility has been receiving 600 mg of lithium twice a day for 3 weeks to ease manic behavior. The client is experiencing nausea and vomiting, diarrhea, thirst, polyuria, slurred speech, and muscle weakness. What is the most appropriate nursing intervention?

• Withholding the next dose of lithium and drawing blood to test it for toxicity
• Obtaining a prescription for the antidote to lithium and administering it

immediately

• Suggesting that the primary healthcare provider replace the lithium for an

antiepileptic that will control the mania

• Assessing the client for coarse hand tremor and, if it is present, giving the daily

dose of lithium with a bit of water - ANSWER-A. Withholding the next dose of lithium and drawing blood to test it for toxicity

A client asks the nurse how psychotropic medications work. How does the nurse reply?

• "These medications decrease the metabolic needs of your brain."
• "These medications increase the production of healthy nervous tissue."
• "These medications affect the chemicals used in communication between nerve

cells."

• "These medications regulate the sensory input received from the external

environment." - ANSWER-C. "These medications affect the chemicals used in communication between nerve cells." 2 / 3

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NCLEX Psychiatric/Mental Health Drugs Exam

Which toxic effect would the nurse find in a client who has overdosed on isocarboxazid?

• Mydriasis
• Bradycardia
• Hypothermia
• Circulatory collapse - ANSWER-D. Circulatory collapse

A client with schizophrenia is started on a regimen of chlorpromazine. After 10 days a shuffling gait, tremors, and some rigidity are apparent. Benztropine mesylate 2 mg by mouth daily is prescribed. What does the nurse remember when administering these medications together?

• Both medications are cholinesterase inhibitors.
• Both medications have a cholinergic-blocking action.
• The antipsychotic effects of chlorpromazine will be decreased.
• The synergistic effect of these medications will cause drooling. - ANSWER-B.

Both medications have a cholinergic-blocking action.

A client receiving the medication buspirone is admitted to the hospital with the diagnosis of possible hepatitis. The nurse identifies that the client's sclerae look yellow. What will be the nurse's initial action?

• Withhold the medication.
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