a nurse in a providers office is monitoring serum electrolytes for four older adult clients who take digoxin which of the following electrolyte value
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Nursing Elites

ATI RN

ATI Pharmacology

1. A healthcare provider in a clinic is monitoring serum electrolytes for four older adult clients who take digoxin. Which of the following electrolyte values increases a client's risk for Digoxin toxicity?

Correct answer: C

Rationale: Potassium 3.4 mEq/L is below the expected reference range, which increases the risk for digoxin toxicity. Low potassium levels can lead to fatal dysrhythmias, particularly in older clients taking Digoxin. Hypokalemia potentiates the effects of Digoxin, making the heart more sensitive to its toxic effects. Monitoring and correcting electrolyte imbalances, especially low potassium levels, are crucial to prevent adverse effects of digoxin therapy. Calcium levels do not directly influence digoxin toxicity, so choices A and B are incorrect. High potassium levels, as in choice D, are less likely to increase the risk of digoxin toxicity compared to low potassium levels.

2. Following a stroke, a client has been started on clopidogrel (Plavix). Why is this medication being administered?

Correct answer: D

Rationale: Clopidogrel (Plavix) is an antiplatelet medication that inhibits platelet aggregation, reducing the risk of blood clots. It is commonly used in patients who have had a stroke and cannot tolerate aspirin due to allergies or intolerances. Choosing clopidogrel in these cases helps prevent further clot formation and reduces the risk of recurrent strokes.

3. What is the correct definition of drug absorption?

Correct answer: A

Rationale: The correct definition of drug absorption is the movement of a drug from the site of administration into various tissues of the body. It is the process by which a drug is taken up and enters the systemic circulation. Choice B describes the pharmacokinetics of drugs, including absorption, distribution, metabolism, and excretion, but it is not a specific definition of drug absorption. Choice C is unrelated to drug absorption, as it refers to over-the-counter drugs. Choice D is too vague and does not specifically address the process of drug absorption.

4. A client has a new prescription for Nitroglycerin sublingual tablets. Which of the following instructions should the nurse include in the discharge teaching?

Correct answer: B

Rationale: The correct instruction for Nitroglycerin sublingual tablets is to take one tablet at the onset of chest pain, then repeat every 5 minutes for up to three doses. This regimen helps in relieving angina symptoms effectively. Option A of taking one tablet every 15 minutes is too infrequent and may delay symptom relief. Option C of taking one tablet at bedtime is not appropriate as Nitroglycerin is used for immediate relief of angina. Option D of taking one tablet on an empty stomach is irrelevant since Nitroglycerin is not affected by food intake.

5. A client with a urinary tract infection (UTI) is prescribed ciprofloxacin. Which instruction should the nurse provide to the client?

Correct answer: D

Rationale: The correct answer is D. Tendon discomfort is a potential side effect of ciprofloxacin that can lead to tendon rupture and should be reported immediately to prevent serious complications. Monitoring for this adverse effect is crucial for patient safety. Choices A, B, and C are incorrect because: A) Taking an antacid with ciprofloxacin can interfere with its absorption. B) Increasing fluid intake is generally a good recommendation but not specifically related to the side effects of ciprofloxacin. C) Photophobia is not a common side effect of ciprofloxacin; therefore, avoiding direct sunlight exposure is not necessary.

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