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 has a fungal infection and a new prescription for amphotericin B. Which of the following laboratory values should the nurse report to the provider before initiating the medication?

• A. Sodium 140 mEq/L
• B. Potassium 4.5 mEq/L
• C. BUN 55 mg/dL
• D. Glucose 120 mg/dL

Correct answer: C

Rationale: An elevated BUN level of 55 mg/dL should be reported before starting amphotericin B due to its nephrotoxic effects. Amphotericin B can cause kidney damage, and an elevated BUN indicates impaired kidney function, increasing the risk of further renal damage with this medication. Sodium, potassium, and glucose levels are not directly associated with the nephrotoxic effects of amphotericin B, making choices A, B, and D incorrect.

3. A client has a new prescription for Furosemide. Which of the following adverse effects should the nurse monitor?

• A. Hyperkalemia
• B. Hyponatremia
• C. Hypernatremia
• D. Hypercalcemia

Correct answer: B

Rationale: Furosemide is a diuretic that commonly causes hyponatremia (low sodium levels) due to its effect on sodium and water excretion. The nurse must closely monitor the client for signs of hyponatremia, such as weakness, confusion, and muscle cramps, and promptly intervene to prevent complications. Choices A, C, and D are incorrect because Furosemide is not associated with hyperkalemia, hypernatremia, or hypercalcemia. Understanding the medication's mechanism of action helps prioritize monitoring for potential adverse effects.

4. When providing teaching to a client with a prescription for Hydrochlorothiazide, which instruction should the nurse include?

• A. Take this medication at bedtime.
• B. Avoid foods high in potassium.
• 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 Hydrochlorothiazide is to monitor for signs of dehydration. Hydrochlorothiazide is a diuretic that can lead to fluid loss and electrolyte imbalance, potentially causing dehydration. Signs of dehydration include dry mouth, increased thirst, and decreased urine output. Therefore, it is essential for the client to be vigilant in recognizing these symptoms and seek medical attention if they occur. Choices A, B, and C are incorrect. Taking Hydrochlorothiazide at bedtime is not a specific instruction related to its effects or side effects. Avoiding foods high in potassium may be necessary for some medications, but it is not the primary concern with Hydrochlorothiazide. Taking this medication on an empty stomach is not a requirement and may vary depending on individual preferences or healthcare provider instructions.

5. A client requests information on the use of Feverfew. Which of the following responses should the nurse make?

• A. It is used to treat skin infections.
• B. It can decrease the frequency of migraine headaches.
• C. It can lessen nasal congestion in the common cold.
• D. It can relieve nausea of morning sickness during pregnancy.

Correct answer: B

Rationale: The correct response is B: Feverfew is commonly used to decrease the frequency of migraine headaches. However, it is important to note that it has not been proven to relieve an existing migraine headache. Choices A, C, and D are incorrect as Feverfew is not typically used for treating skin infections, lessening nasal congestion in the common cold, or relieving nausea of morning sickness during pregnancy.

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