HESI LPN
Pharmacology HESI 2023
1. 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.
2. A client with heart failure develops hyperaldosteronism. What dietary recommendation is essential for managing this condition?
- A. Limit intake of high potassium foods
- B. Replace salt with salt substitute
- C. Monitor skin for excessive bruising
- D. Cover your skin before going outside
Correct answer: A
Rationale: Hyperaldosteronism can lead to increased potassium retention, which can be problematic for individuals with heart failure. Limiting intake of high potassium foods is crucial to prevent hyperkalemia, a condition that can worsen heart failure. Therefore, advising the client to limit high potassium foods is essential in managing hyperaldosteronism in the setting of heart failure.
3. A client with a diagnosis of generalized anxiety disorder is prescribed escitalopram. 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 potential side effect of escitalopram is drowsiness. Escitalopram is known to cause sedation, so clients should be advised to avoid activities that require mental alertness, such as driving, until they know how the medication affects them. Dry mouth, nausea, and headache are also common side effects of various medications but are not specifically associated with escitalopram.
4. The practical nurse administers lactulose to a client. Which client outcome would indicate a therapeutic response?
- A. An increase in urine output
- B. Two to three soft stools per day
- C. Absence of nausea
- D. Decreased serum potassium
Correct answer: B
Rationale: Lactulose is a type of laxative that works by preventing the absorption of ammonia in the colon, leading to increased water absorption in the stool and softening of the stool. The therapeutic response to lactulose is indicated by the passage of two to three soft stools per day, showing that the medication is effectively promoting bowel movements.
5. Which assessment finding indicates that the expected outcome of administering donepezil to a client with Alzheimer's disease has been accomplished?
- A. Increased muscle strength and tone
- B. Fewer episodes of urinary incontinence
- C. Decreased confusion and improved mood
- D. Reversal of the disease process as evidenced by increased functioning
Correct answer: C
Rationale: The correct answer is C. Donepezil is a medication used for individuals with Alzheimer's disease. Its mechanism of action involves increasing acetylcholine levels by inhibiting its breakdown, which benefits cognitive function. The expected outcome of administering donepezil is a decrease in confusion and an improvement in mood due to the medication's impact on neurotransmitters. Choices A, B, and D are incorrect because donepezil does not primarily target muscle strength, urinary incontinence, or disease reversal; instead, it aims to slow down the progression of cognitive decline in Alzheimer's disease.
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