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 hypertension is prescribed doxazosin. The nurse should monitor for which potential side effect?
- A. Hypotension
- B. Hypertension
- C. Hyperglycemia
- D. Hypernatremia
Correct answer: A
Rationale: The correct answer is A: Hypotension. Doxazosin is an alpha-blocker medication commonly used to treat hypertension. One of the potential side effects of doxazosin is causing a sudden drop in blood pressure, leading to hypotension. Therefore, the nurse should closely monitor the client for signs and symptoms of low blood pressure when initiating or adjusting the dose of doxazosin.
3. A client with osteoporosis is prescribed raloxifene. The nurse should reinforce which instruction?
- A. Take this medication at the same time each day.
- B. Take this medication with a full glass of water.
- C. Take this medication on an empty stomach.
- D. Take this medication immediately after a meal.
Correct answer: A
Rationale: The correct instruction for a client prescribed raloxifene, a medication used for osteoporosis, is to take it at the same time each day. This consistency helps maintain steady blood levels of the medication, enhancing its effectiveness in managing the condition. Choice B is incorrect because raloxifene does not require a full glass of water for administration. Choice C is incorrect as raloxifene should not be taken on an empty stomach. Choice D is incorrect as raloxifene should not be taken immediately after a meal.
4. A client is prescribed cyclobenzaprine for muscle spasms. The nurse should instruct the client to avoid which substance while taking this medication?
- A. Alcohol
- B. Caffeine
- C. Nicotine
- D. Dairy products
Correct answer: A
Rationale: The correct answer is A: Alcohol. When taking cyclobenzaprine, it is important to avoid alcohol as it can potentiate the central nervous system depressant effects of the medication. This interaction can lead to increased drowsiness, dizziness, and impaired coordination. Therefore, it is essential for the client to refrain from alcohol consumption while on cyclobenzaprine to prevent these adverse effects and ensure their safety. Choices B, C, and D are incorrect because caffeine, nicotine, and dairy products do not have significant interactions with cyclobenzaprine. While caffeine and nicotine may have stimulant effects that could theoretically counteract some of the sedative effects of cyclobenzaprine, they are not contraindicated. Dairy products, on the other hand, do not interact with cyclobenzaprine and can be consumed safely.
5. A client with a history of deep vein thrombosis is prescribed dabigatran. The nurse should monitor for which potential adverse effect?
- A. Bleeding
- B. Weight gain
- C. Headache
- D. Nausea
Correct answer: A
Rationale: Dabigatran is an anticoagulant that increases the risk of bleeding. Therefore, the nurse should closely monitor the client for signs of bleeding, such as easy bruising, blood in the urine or stool, prolonged bleeding from cuts, or nosebleeds, to ensure early detection and intervention.
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