HESI LPN
Pharmacology HESI 55 Questions 2023
1. A client diagnosed with angina has been prescribed nitrate isosorbide dinitrate. Which instruction should the practical nurse reinforce in this client's teaching?
- A. Discontinue the medication if dizziness occurs.
- B. Avoid getting up quickly. Always rise slowly.
- C. Take the medication with or without food.
- D. Increase your intake of potassium-rich foods.
Correct answer: B
Rationale: The correct instruction that the practical nurse should reinforce with a client prescribed nitrate isosorbide dinitrate is to avoid getting up quickly and to rise slowly. Nitrates can cause orthostatic hypotension, a sudden drop in blood pressure when changing positions. By rising slowly, the client can prevent the occurrence of orthostatic hypotension and its associated symptoms. Choices A, C, and D are incorrect because discontinuing the medication without consulting a healthcare provider can be dangerous, taking the medication with or without food does not impact its effectiveness, and increasing potassium intake is not directly related to the use of nitrate isosorbide dinitrate.
2. A client is prescribed an antacid for the treatment of peptic ulcer disease. What is the action of this medication that is effective in treating the client's ulcer?
- A. Decrease in the production of gastric secretions
- B. Production of an adherent barrier over the ulcer
- C. Maintenance of a gastric pH of 3.5 or above
- D. Decrease in the gastric motor activity
Correct answer: C
Rationale: The correct answer is C. Antacids work by neutralizing gastric acids and maintaining a gastric pH of 3.5 or above. This pH level is crucial to prevent the activation of pepsinogen, a precursor to pepsin, which can further damage the ulcer. Choice A is incorrect because antacids do not directly decrease the production of gastric secretions; they neutralize existing acid. Choice B is incorrect as antacids do not form a physical barrier over the ulcer but rather neutralize the acid around it. Choice D is also incorrect as antacids do not affect gastric motor activity but focus on reducing acidity in the stomach.
3. A client with a diagnosis of bipolar disorder is prescribed topiramate. The nurse should monitor for which potential adverse effect?
- A. Cognitive impairment
- B. Weight gain
- C. Liver toxicity
- D. Weight loss
Correct answer: A
Rationale: Correct. Topiramate is associated with cognitive impairment as an adverse effect. It is important for the nurse to monitor the client's cognitive function while on this medication to assess for any signs of cognitive decline or impairment. Choice B, weight gain, is incorrect as topiramate is actually associated with weight loss rather than weight gain. Choice C, liver toxicity, is also incorrect as topiramate is not known to cause liver toxicity. Choice D, weight loss, is not the correct answer as topiramate is not associated with weight gain.
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. What instruction should the nurse include in the teaching plan for a client prescribed etanercept for rheumatoid arthritis?
- A. Rotate injection sites to prevent irritation.
- B. Take this medication with food to reduce gastrointestinal upset.
- C. Avoid sunlight exposure while on this medication.
- D. Notify the healthcare provider of any signs of infection.
Correct answer: A
Rationale: The correct instruction for a client prescribed etanercept is to rotate injection sites to prevent irritation and ensure proper absorption. Changing sites will help prevent skin irritation and ensure that the medication is absorbed effectively. This practice also reduces the risk of injection site reactions and discomfort. It is essential to follow this instruction to promote optimal medication delivery and minimize adverse effects. Choice B is incorrect because etanercept can be taken with or without food, and it is not specifically indicated to be taken with food to reduce gastrointestinal upset. Choice C is incorrect as there is no specific association between etanercept and sunlight exposure. Choice D is incorrect because while it is important to notify the healthcare provider of signs of infection, this is not the primary instruction related to the administration of etanercept.
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