HESI LPN
HESI Practice Test Pharmacology
1. A client is prescribed diazepam for muscle spasms. What instruction should the nurse include in the client's teaching plan?
- A. Avoid drinking alcohol
- B. Take with food to avoid gastrointestinal upset
- C. Increase fluid intake
- D. Take medication with grapefruit juice
Correct answer: A
Rationale: The correct instruction for a client prescribed diazepam for muscle spasms is to avoid drinking alcohol. Diazepam can cause drowsiness and enhance the effects of alcohol, leading to increased sedation and impaired cognitive function. Clients should be advised to avoid alcohol consumption while taking diazepam to prevent these adverse effects and ensure their safety.
2. A client with epilepsy is prescribed lamotrigine. The nurse should monitor for which potential side effect?
- A. Drowsiness
- B. Nausea and vomiting
- C. Skin rash
- D. Dizziness
Correct answer: C
Rationale: When a client is prescribed lamotrigine, the nurse should closely monitor for the potential side effect of skin rash. Lamotrigine is known to cause skin rashes, which can be mild or severe, indicating a serious adverse reaction like Stevens-Johnson syndrome. Monitoring for skin rash is crucial to detect any signs of severe allergic reactions early and prevent further complications. Choices A, B, and D are incorrect as drowsiness, nausea and vomiting, and dizziness are not typically associated with lamotrigine use. While dizziness can be a side effect of some antiepileptic medications, it is not a common side effect of lamotrigine.
3. When educating a client about the adverse effects of conjunctivitis, what is a serious condition that requires prompt attention?
- A. Contact lens irritation
- B. Decreased sex drive
- C. Brown spots on the skin
- D. Epigastric pain unrelieved by antacids
Correct answer: D
Rationale: Epigastric pain unrelieved by antacids is a concerning symptom that may indicate a more serious underlying condition such as a perforated ulcer. This symptom requires immediate medical attention to prevent further complications.
4. A client with a history of atrial fibrillation is prescribed diltiazem. The nurse should monitor for which potential side effect?
- A. Hypotension
- B. Tachycardia
- C. Headache
- D. Hyperglycemia
Correct answer: A
Rationale: The correct answer is A: Hypotension. Diltiazem is a calcium channel blocker that can cause hypotension by relaxing blood vessels and reducing blood pressure. Monitoring blood pressure is essential to detect and manage this potential side effect. Choices B, C, and D are incorrect because diltiazem typically does not cause tachycardia, headache, or hyperglycemia as common side effects.
5. The client is receiving vancomycin, and the nurse plans to draw blood for a peak and trough to determine... the best timing for these levels?
- A. Midway through administration of the IV dose and 30 minutes before the next
- B. Two hours after completion of the IV dose and 30 minutes before the next
- C. Two hours after completion of the IV dose and one hour before the next
- D. Immediately after completion of the IV dose and 30 minutes before
Correct answer: B
Rationale: To accurately determine peak and trough levels of vancomycin, blood should be drawn two hours after the completion of the IV dose and 30 minutes before the next dose. This timing allows for appropriate assessment of the drug levels in the body, ensuring accurate monitoring of therapeutic and toxic concentrations. Choice A is incorrect as drawing blood midway through administration does not provide an accurate peak level. Choice C is incorrect as drawing blood one hour before the next dose does not represent the trough level. Choice D is incorrect because drawing blood immediately after completion of the IV dose does not allow enough time for the drug to reach peak levels.
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