HESI LPN
HESI Pharmacology Exam Test Bank
1. A client with type 2 diabetes is prescribed metformin. What instruction should the practical nurse (PN) include in the client's teaching plan?
- A. Take the medication with meals to decrease gastrointestinal upset.
- B. Take the medication with a full glass of water.
- C. Avoid alcohol while taking the medication.
- D. Take the medication with meals to increase absorption.
Correct answer: B
Rationale: The correct instruction for a client prescribed metformin is to take the medication with a full glass of water. This helps ensure proper ingestion and absorption of the medication. While taking metformin with meals can help reduce gastrointestinal side effects, the primary focus should be on adequate hydration and absorption by taking it with water. Avoiding alcohol while taking metformin is also important as alcohol can increase the risk of lactic acidosis when combined with metformin. Taking the medication with meals to increase absorption is incorrect as metformin should be taken with food to reduce gastrointestinal upset, not to increase absorption.
2. A client with hypertension is prescribed valsartan. The nurse should monitor the client for which potential side effect?
- A. Hypotension
- B. Tachycardia
- C. Hyperglycemia
- D. Hyponatremia
Correct answer: A
Rationale: The correct answer is A: Hypotension. Valsartan is an angiotensin II receptor blocker that can cause hypotension as a side effect by dilating blood vessels. Monitoring blood pressure is crucial to prevent complications related to low blood pressure. Choice B, Tachycardia, is incorrect because valsartan typically does not cause an increase in heart rate. Choice C, Hyperglycemia, is not a common side effect of valsartan. Choice D, Hyponatremia, is also unlikely with valsartan use.
3. A client who is recovering from an appendectomy is receiving narcotics. Earlier, the nurse witnessed the client's family pushing the pain pump. What should the nurse implement?
- A. Check the client's level of consciousness
- B. Instruct the family not to push the button
- C. Stop the client's basal infusion
- D. Administer a narcotic reversal medication
Correct answer: B
Rationale: Instructing the family not to push the button is necessary to prevent the client from receiving an excessive amount of narcotics, ensuring the safe and appropriate use of the pain pump. Checking the client's level of consciousness may not address the issue of family members pushing the button. Stopping the client's basal infusion is not indicated unless there are specific medical reasons for doing so. Administering a narcotic reversal medication is not necessary at this point as the issue lies with inappropriate use rather than an overdose.
4. A client with bipolar disorder is taking lithium. Which client assessment data would indicate a potential adverse effect of lithium therapy?
- A. Increased appetite
- B. Dry mouth and increased thirst
- C. Tremors and polyuria
- D. Constipation
Correct answer: B
Rationale: When assessing a client taking lithium, dry mouth and increased thirst are indicators of potential adverse effects. Lithium can lead to nephrogenic diabetes insipidus, causing polyuria and subsequent increased thirst due to impaired water reabsorption in the kidneys. Tremors can also be a sign of lithium toxicity. Monitoring and recognizing these symptoms are crucial in managing lithium therapy and preventing further complications.
5. A client whose seizure disorder has been managed with phenytoin is admitted to the emergency department with status epilepticus. Which drug should the practical nurse anticipate being prescribed for administration to treat these seizures?
- A. Phenytoin
- B. Diazepam
- C. Phenobarbital
- D. Carbamazepine
Correct answer: B
Rationale: In the management of status epilepticus, which is a life-threatening condition of prolonged seizures, rapid intervention is crucial. Diazepam is the drug of choice for treating status epilepticus due to its fast onset of action and effectiveness in stopping seizures. It acts by enhancing the inhibitory neurotransmitter GABA to suppress seizure activity quickly. Phenytoin, although used for long-term seizure control, has a slower onset of action and is not the first-line medication for managing status epilepticus.
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