Nursing Elites

1. When taking Digoxin, low levels of what can cause toxicity?

• A. Potassium
• B. Calcium
• C. Sodium
• D. Magnesium

Correct answer: A

Rationale: Low potassium levels can lead to Digoxin toxicity. Digoxin competes with potassium for binding sites on the sodium-potassium pump. When potassium levels are low, there is an increased risk of Digoxin binding and toxicity. Choice B (Calcium) is incorrect because low calcium levels are not directly linked to Digoxin toxicity. Choice C (Sodium) is incorrect as low sodium levels do not cause Digoxin toxicity. Choice D (Magnesium) is incorrect as low magnesium levels do not contribute to Digoxin toxicity.

2. A client is starting therapy with cisplatin. The healthcare provider should instruct the client to report which of the following adverse effects?

• A. Tinnitus
• B. Nausea
• C. Constipation
• D. Weight gain

Correct answer: A

Rationale: The correct answer is tinnitus. Cisplatin can cause ototoxicity, which may manifest as tinnitus. Tinnitus should be reported promptly to the healthcare provider to prevent further hearing damage.

3. A client with heart failure is prescribed digoxin. Which of the following findings should the nurse identify as an adverse effect of digoxin?

• A. Constipation
• B. Blurred vision
• C. Nausea
• D. Headache

Correct answer: B

Rationale: Blurred vision is a common adverse effect of digoxin and can indicate toxicity. Monitoring for visual changes is essential to prevent serious complications in clients taking digoxin.

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

• A. Avoid drinking grapefruit juice.
• B. Take this medication with a full glass of water.
• C. Take this medication on an empty stomach.
• D. Monitor for signs of dehydration.

Correct answer: D

Rationale: The correct instruction for a client prescribed Losartan is to monitor for signs of dehydration. Losartan can lead to dehydration, so it is essential for the client to be vigilant for symptoms such as dry mouth, increased thirst, and decreased urine output. Providing the instruction to monitor for signs of dehydration ensures the client's safety and helps in early identification of any potential issues related to dehydration. Choices A, B, and C are incorrect as Losartan does not interact with grapefruit juice, does not require specific instructions regarding water intake, and does not need to be taken on an empty stomach.

5. What is the therapeutic use of metformin?

• A. Lower blood pressure
• B. Diminish seizure activity
• C. The maintenance of a person's blood glucose levels
• D. Increase heart rate and decrease gastrointestinal secretions

Correct answer: C

Rationale: Metformin is commonly prescribed to manage and control blood glucose levels in individuals with diabetes. It helps in reducing the amount of glucose produced by the liver and improves the body's response to insulin, thereby aiding in the regulation of blood sugar levels. It is not used to lower blood pressure, diminish seizure activity, increase heart rate, or decrease gastrointestinal secretions.

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