ace inhibitors
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Nursing Elites

ATI RN

ATI Proctored Pharmacology Test

1. How do ACE inhibitors work?

Correct answer: C

Rationale: ACE inhibitors work by inhibiting the conversion of angiotensin I to angiotensin II. Angiotensin II is a potent vasoconstrictor, and by blocking its production, ACE inhibitors help dilate blood vessels, reduce blood pressure, and decrease the workload of the heart. Choice A is incorrect because it describes the mechanism of action of angiotensin receptor blockers (ARBs), not ACE inhibitors. Choice B is incorrect as it describes beta-blockers, not ACE inhibitors. Choice D is incorrect as ACE inhibitors do have a specific mechanism of action.

2. A client has a new prescription for Lovastatin. Which of the following instructions should be included?

Correct answer: C

Rationale: Lovastatin should be taken at bedtime because cholesterol production in the liver is highest at night, making the medication more effective in reducing cholesterol levels. By taking it at bedtime, the medication aligns with the body's natural rhythm of cholesterol synthesis, optimizing its therapeutic effects.

3. A client is prescribed levothyroxine for hypothyroidism. Which of the following findings should indicate to the nurse that the medication is effective?

Correct answer: B

Rationale: Increased energy levels are a key indicator of the effectiveness of levothyroxine in treating hypothyroidism. Levothyroxine works to regulate thyroid hormone levels, which can lead to improved energy levels as the body's metabolism is restored. While the other options may also improve with treatment, increased energy levels directly reflect the correction of the thyroid hormone imbalance. Decreased heart rate can be an indicator of overmedication, weight loss can be attributed to increased metabolism but may not directly reflect the effectiveness of levothyroxine, and improved mental clarity is a more general cognitive improvement that may not directly relate to thyroid function.

4. A client who received Prochlorperazine 4 hours ago reports spasms of his face. The nurse should anticipate a prescription for which of the following medications?

Correct answer: D

Rationale: The client's symptoms of face spasms after receiving Prochlorperazine indicate acute dystonia, a known side effect. Diphenhydramine is commonly administered to manage extrapyramidal symptoms, such as muscle spasms, caused by medications like Prochlorperazine. Therefore, the nurse should anticipate a prescription for Diphenhydramine to alleviate the client's symptoms. Choices A, B, and C are incorrect because Fomepizole is used in methanol or ethylene glycol poisoning, Naloxone is an opioid antagonist used in opioid overdose, and Phytonadione is vitamin K, used to reverse the effects of certain blood thinners.

5. A client has a new prescription for Levofloxacin. Which of the following instructions should be included in the discharge instructions?

Correct answer: B

Rationale: The correct answer is B: 'Avoid taking this medication with dairy products.' Levofloxacin should not be taken with dairy products because calcium can interfere with the absorption of the medication. It is recommended to take Levofloxacin 1 hour before or 2 hours after consuming dairy products to ensure optimal absorption and effectiveness of the medication. Choices A, C, and D are incorrect. Choice A is not recommended as Levofloxacin is usually taken on an empty stomach. Choice C is not necessary information for taking Levofloxacin. Choice D is unrelated to the administration of Levofloxacin.

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