NCLEX : Neural Pharmacology

Study concepts, example questions & explanations for NCLEX

varsity tutors app store varsity tutors android store

Example Questions

2 Next →

Example Question #111 :Nclex

Lamotrigine carries a black-box warning about what side effect?

Possible Answers:

Stevens–Johnson syndrome

Aseptic meningitis

DRESS syndrome (drug reaction/rash with eosinophilia and systemic symptoms)

All of these

Correct answer:

All of these

Explanation:

Lamotrigine carries a black box warning about the following side effects:

  • Stevens–Johnson syndrome
  • Toxic epidermal necrolysis
  • DRESS syndrome (drug reaction/rash with eosinophilia and systemic symptoms)
  • Aseptic meningitis

Example Question #112 :Nclex

Phenelzine is what class of drug?

Possible Answers:

Tricyclic antidepressant

Monoamine oxidase inhibitor (MAOI)

Alpha adrenergic agonist

Narcotic

Correct answer:

Monoamine oxidase inhibitor (MAOI)

Explanation:

Phenelzine is a monoamine oxidase inhibitor (MAOI). Drugs in this class work by inhibition of monoamine oxidase enzymes, the enzymes responsible for the break down of serotonin, dopamine, and adrenaline.

Example Question #113 :Nclex

What class of drugs is diazepam?

Possible Answers:

Nonbenzodiazepine sedative

Barbituate

Benzodiazepine

Methaqualone analogue

Correct answer:

Benzodiazepine

Explanation:

Diazepam is a benzodiazepine. This class of drugs works by potentiating the effects of GABA, our primary inhibitory neurotransmitter, at the GABAa receptor.

Example Question #114 :Nclex

Bromocriptine belongs to what class of drug?

Possible Answers:

Anxiolytic

Anticholinergic

Peripheral dopamine decarboxylase inhibitor

Dopamine agonist

Correct answer:

Dopamine agonist

Explanation:

Bromocriptine is a dopamine agonist used in the treatment for Parkinson's disease, pituitary tumors, and type 2 diabetes.

Example Question #115 :Nclex

A patient taking haloperidol complains of abnormal, unintentional movements of his tongue and face. The nurse knows that the patient is experiencing which of the following side effects of haloperidol?

Possible Answers:

抽搐、癫痫

Tardive dyskinesia

Neuroleptic malignant syndrome

Increased anxiety

Dizziness and weakness

Correct answer:

Tardive dyskinesia

Explanation:

All of the listed options are side effects of haloperidol, but tardive dyskinesia (TD) is the only one that manifests with involuntary, dyskinetic movements in their face, lips, tongue, trunk, and extremities. TD more frequently occurs among elderly female patients taking long-term dopamine-antagonist medications. Dizziness, weakness, convulsions, seizures, and anxiety are also side effects of haloperidol. Neuroleptic Malignant Syndrome presents with fever and high/unstable blood pressure, muscle cramps and tremors, altered mental status (such as delirium, agitation, or a coma).

Example Question #116 :Nclex

You are the nurse taking care of a patient who is experiencing a panic attack. You are instructed to give the patient a dose of lorazepam. Which of the drug classes below describes lorazepam?

Possible Answers:

Alpha-blocker

Barbiturate

Beta-blocker

Amphetamine

Benzodiazepine

Correct answer:

Benzodiazepine

Explanation:

The correct answer is "benzodiazepine," as lorazepam, also known as Ativan, is a benzodiazepine drug. Benzodiazepines act by increasing the efficacy of the neurotransmitter, GABA, when it acts upon its particular receptors. They have potent anti-anxiety properties, among other properties, and are frequently given during the initial phase of a panic attack to calm the patient.

另一方面,其他choices are incorrect. Phenobarbital is an example of a barbiturate. Proproanolol is an example of a beta-blocker. Tamsulosin is an example of an alpha-blocker. Methamphetamine is an example of an amphetamine.

2 Next →
Learning Tools by Varsity Tutors