NCLEX Questions on Drug Classifications

NCLEX Questions on Drug Classifications Related

Review NCLEX Questions on Drug Classifications related questions and content

An older adult experiencing shortness of breath is brought to the hospital by her daughter. While obtaining the medication history from the patient and her daughter, the nurse discovers that neither has a list of the patient's current medications or prescriptions. The patient has a weekly pill dispenser that contains four different pills. The prescriptions are filled through the local pharmacy. Which resource would be appropriate to use in determining the medication names and doses?

  • A. Martindale-The Complete Drug Reference
  • B. Drugs and Facts Comparisons
  • C. Senior citizens' center
  • D. Patient's home pharmacy
Correct Answer: D

Rationale: The patient's pharmacy maintains an accurate record of all current medications, making it the best resource for identifying the drugs and doses.

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A nurse is reviewing laboratory findings and notes that a client's plasma Lithium level is 2.1 mEq/L. Which of the following is an appropriate action by the nurse?

  • A. Perform immediate gastric lavage.
  • B. Prepare the client for hemodialysis.
  • C. Administrative and additional oral dose of lithium.
  • D. Request a stat repeat of the laboratory test
Correct Answer: B

Rationale: A level of 2.1 mEq/L indicates toxicity (normal 0.6-1.2 mEq/L); hemodialysis is used for severe cases.

Which of the following drugs interacts with nitroglycerine by inhibiting the metabolism of cGMP?

  • A. Amyl nitrite
  • B. Sildenafil
  • C. Isosorbide mononitrate
  • D. Nifedipine
Correct Answer: B

Rationale: Sildenafil, a PDE5 inhibitor, increases cGMP, enhancing nitroglycerin's hypotensive effect.

After teaching a group of nursing students about pharmacokinetics, the instructor determines that the teaching was successful when the students identify which of the following as the first phase?

  • A. Metabolism
  • B. Absorption
  • C. Distribution
  • D. Excretion
Correct Answer: B

Rationale: Pharmacokinetics refers to the transportation activity of drugs in the body after administration. The first component is absorption. This is followed by distribution, metabolism, and finally excretion.

Kelly has diarrhea and is wondering if she can take loperamide (Imodium) for the diarrhea. Loperamide:

  • A. Can be given to patients of all ages, including infants and children, for viral gastroenteritis
  • B. Slows gastric motility and reduces fluid and electrolyte loss from diarrhea
  • C. Is the treatment of choice for the diarrhea associated with E. coli 0157
  • D. May be used in pregnancy and by lactating women
Correct Answer: B

Rationale: Loperamide slows motility to reduce diarrhea; it's not for infants , E. coli 0157 (C, risks toxicity), or universally safe in pregnancy .

Which of the following drugs used to treat Alzheimer's disease is not an anticholinergic?

  • A. Donepezil
  • B. Memantine
  • C. Rivastigmine
  • D. Galantamine
Correct Answer: B

Rationale: Memantine is an NMDA receptor antagonist, not an anticholinesterase like the others.

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