HESI LPN
Pharmacology HESI 55 Questions 2023
1. A practical nurse (PN) is reviewing teaching with the client and/or significant others about the concurrent use of benztropine and olanzapine to manage psychotic behavior. What information should the PN reinforce?
- A. Benztropine will reduce olanzapine's side effect of urinary retention.
- B. Benztropine potentiates the effect of olanzapine.
- C. Benztropine is used to control the side effects of olanzapine.
- D. The combined effect of these drugs will modify psychotic behavior.
Correct answer: C
Rationale: The correct answer is C because benztropine, an anticholinergic drug, is used to control extrapyramidal symptoms associated with olanzapine use. Choice A is incorrect because benztropine does not directly reduce olanzapine's side effect of urinary retention. Choice B is incorrect as benztropine does not potentiate the effect of olanzapine; its main role is to counteract extrapyramidal symptoms. Choice D is incorrect because the primary purpose of using benztropine alongside olanzapine is to manage side effects, not specifically to modify psychotic behavior.
2. A client with a diagnosis of generalized anxiety disorder is prescribed citalopram. The nurse should instruct the client that this medication may have which potential side effect?
- A. Nausea
- B. Drowsiness
- C. Insomnia
- D. Headache
Correct answer: A
Rationale: The correct potential side effect of citalopram is nausea. Citalopram can cause gastrointestinal disturbances such as nausea, so clients should be advised to take the medication with food if nausea occurs to help minimize this side effect. While other side effects like drowsiness, insomnia, and headache may also occur with citalopram, nausea is a common side effect that clients should be informed about. Drowsiness and insomnia are more commonly associated with other medications used to treat anxiety or depression, such as benzodiazepines or certain antidepressants. Headache is a less common side effect of citalopram compared to nausea.
3. A client has been prescribed losartan. Which change in data indicates to the practical nurse (PN) that the desired effect of this medication has been achieved?
- A. Dependent edema reduced from +3 to +1.
- B. Serum HDL increased from 35 to 55 mg/dL.
- C. Pulse rate reduced from 150 to 90 beats/min.
- D. Blood pressure reduced from 160/90 to 130/80 mm Hg.
Correct answer: D
Rationale: The correct answer is D. Losartan is prescribed for the treatment of hypertension. The desired effect of losartan is to reduce blood pressure. Therefore, a reduction in blood pressure from 160/90 to 130/80 mm Hg indicates that the desired effect of the medication has been achieved. Choices A, B, and C are not specific effects of losartan and do not directly relate to the expected outcomes of this medication. Dependent edema, serum HDL levels, and pulse rate are not typically influenced by losartan, making choices A, B, and C incorrect.
4. A client with a diagnosis of generalized anxiety disorder is prescribed hydroxyzine. The nurse should instruct the client that this medication may have which potential side effect?
- A. Drowsiness
- B. Dry mouth
- C. Nausea
- D. Headache
Correct answer: A
Rationale: The correct answer is A: Drowsiness. Hydroxyzine is known to cause drowsiness, so clients should be advised to avoid activities like driving until they understand how the medication affects them. Choices B, C, and D are incorrect because dry mouth, nausea, and headache are not commonly associated with hydroxyzine use. It is crucial for the client to be aware of the potential drowsiness to ensure their safety and well-being while taking this medication.
5. The healthcare provider is assessing the effectiveness of the drug amiodarone. Which client statement best indicates that the drug has been effective?
- A. I have not had as many spells of angina.
- B. I have not had as much swelling in my ankles lately.
- C. My doctor told me my cholesterol levels were improving with each visit.
- D. I do not notice as many irregular heartbeats as before I started taking this medication.
Correct answer: D
Rationale: The correct answer is option D. The effectiveness of amiodarone is best assessed by a reduction in irregular heartbeats since it is primarily used to treat ventricular dysrhythmias. This drug's main purpose is to control irregular heart rhythms, so a decrease in irregular heartbeats indicates its effectiveness. Options A, B, and C are incorrect because amiodarone is not primarily used to address angina, ankle swelling, or cholesterol levels, so improvements in these areas do not directly reflect the drug's effectiveness.
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