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. How should the healthcare provider schedule the administering of propylthiouracil (PTU)?
- A. Offer both drugs together with a meal
- B. Give parental dose once every 24 hours
- C. Schedule both medications at bedtime
- D. Administer iodine one hour before PTU
Correct answer: D
Rationale: Administering iodine one hour before PTU is crucial to ensure proper absorption and effectiveness of PTU. This timing helps optimize the therapeutic benefits of PTU by allowing it to be absorbed efficiently without interference from iodine, ultimately leading to better treatment outcomes for the patient. Choices A, B, and C are incorrect because offering both drugs together with a meal, giving parental dose once every 24 hours, and scheduling both medications at bedtime do not address the specific timing requirement of administering iodine before PTU for optimal absorption.
3. A client has metoprolol prescribed. The nurse should reinforce instructions that this medication has which potential adverse effect?
- A. Anxiety
- B. Tachycardia
- C. Sexual dysfunction
- D. Acute renal failure
Correct answer: C
Rationale: The correct answer is C: Sexual dysfunction. Metoprolol, a beta-blocker, can cause sexual dysfunction as an adverse effect. It is important for the nurse to educate the client about this potential side effect. Choice A is incorrect because metoprolol can cause depression, not anxiety. Choice B is incorrect as tachycardia is not an adverse effect of metoprolol; instead, it can lead to bradycardia. Choice D is incorrect because acute renal failure is not typically associated with the use of beta-blockers.
4. What side effect is a male client likely to experience while receiving furosemide 40mg by mouth?
- A. Difficulty starting urination
- B. Nosebleeds
- C. Muscle cramps
- D. Visual disturbances
Correct answer: C
Rationale: Muscle cramps are a common side effect of furosemide due to its impact on electrolyte levels, especially potassium. Furosemide is a loop diuretic that can lead to potassium depletion, resulting in muscle cramps as one of the manifestations of electrolyte imbalances. Therefore, choices A, B, and D are incorrect. Difficulty starting urination is not a common side effect of furosemide; nosebleeds and visual disturbances are not typically associated with this medication.
5. A client with gastroesophageal reflux disease (GERD) is prescribed omeprazole. The nurse should reinforce which instruction?
- A. Take this medication in the morning before breakfast.
- B. Take this medication with meals.
- C. Avoid taking this medication with antacids.
- D. Take this medication at bedtime.
Correct answer: A
Rationale: The correct instruction for a client with GERD prescribed omeprazole is to take the medication in the morning before breakfast. Omeprazole works best when taken on an empty stomach, approximately 30 minutes before the first meal of the day. This timing maximizes its effectiveness in reducing stomach acid production and helps manage symptoms of GERD more efficiently. Choice B is incorrect because taking omeprazole with meals may reduce its efficacy as it needs an empty stomach for optimal absorption. Choice C is incorrect because omeprazole can be taken with or without food, but it should not be taken with antacids as they can affect its absorption. Choice D is incorrect because taking omeprazole at bedtime is less effective compared to taking it before breakfast due to the circadian rhythm of gastric acid secretion.
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