Nursing Elites

1. A client has a new prescription for metformin. Which of the following instructions should the nurse include?

• A. Take the medication with food.
• B. Monitor for signs of hypoglycemia.
• C. Increase fluid intake.
• D. Expect a metallic taste in the mouth.

Correct answer: C

Rationale: The correct instruction for a client starting metformin is to increase fluid intake. This is crucial to prevent gastrointestinal discomfort, a common side effect of metformin. Adequate hydration can also help reduce the risk of kidney problems associated with metformin use. Choices A, B, and D are incorrect. While it's generally recommended to take metformin with food to reduce stomach upset, monitoring for signs of hypoglycemia is more relevant for other antidiabetic medications, and a metallic taste in the mouth is not a common side effect of metformin.

2. The nurse is caring for a client who has returned to the unit after undergoing a cardiac catheterization. The nurse should monitor for which common complication following this procedure?

• A. Hypertension
• B. Hypotension
• C. Hemorrhage
• D. Hyperglycemia

Correct answer: C

Rationale: Following a cardiac catheterization, a common complication to monitor for is bleeding or hemorrhage at the catheter insertion site. Hemorrhage is a significant concern due to the potential for rapid blood loss, leading to hypovolemic shock and other serious complications. Monitoring for signs of bleeding, such as swelling, hematoma, or drop in hemoglobin levels, is crucial for timely intervention. Hypertension is not a common complication post-cardiac catheterization; instead, hypotension may occur due to vasovagal response or bleeding. Hyperglycemia is not typically associated with cardiac catheterization unless the client has pre-existing diabetes or stress-induced hyperglycemia.

3. The client is receiving anticoagulant therapy for atrial fibrillation. Which laboratory test should be monitored to determine the effectiveness of the therapy?

• A. Prothrombin time (PT) and international normalized ratio (INR)
• B. Activated partial thromboplastin time (aPTT)
• C. Platelet count
• D. Erythrocyte sedimentation rate (ESR)

Correct answer: A

Rationale: Prothrombin time (PT) and international normalized ratio (INR) are essential laboratory tests to monitor the effectiveness of anticoagulant therapy in clients with atrial fibrillation. These tests help ensure that the client is within the therapeutic range and are commonly used to assess the clotting ability of the blood. Monitoring PT and INR levels allows healthcare providers to adjust anticoagulant dosages as needed to prevent complications such as bleeding or thrombosis. Activated partial thromboplastin time (aPTT) is more commonly used to monitor heparin therapy, not anticoagulant therapy for atrial fibrillation. Platelet count assesses the number of platelets in the blood and is not a direct indicator of anticoagulant therapy effectiveness. Erythrocyte sedimentation rate (ESR) is a nonspecific marker of inflammation and is not used to monitor anticoagulant therapy.

4. The client with a history of heart failure is receiving digoxin (Lanoxin). Which electrolyte imbalance increases the risk of digoxin toxicity?

• A. Hypernatremia
• B. Hypercalcemia
• C. Hypokalemia
• D. Hypomagnesemia

Correct answer: C

Rationale: Hypokalemia increases the risk of digoxin toxicity as low potassium levels enhance the effects of digoxin on the heart, leading to toxicity and potential adverse effects. Hypernatremia (Choice A) is not directly associated with an increased risk of digoxin toxicity. Hypercalcemia (Choice B) does not increase the risk of digoxin toxicity. Hypomagnesemia (Choice D) can contribute to digoxin toxicity, but hypokalemia has a more significant impact on increasing the risk.

5. When teaching a client about the use of lisinopril, which of the following instructions should the nurse include?

• A. Monitor your blood pressure regularly.
• B. Take the medication with food.
• C. Increase your intake of potassium-rich foods.
• D. Avoid grapefruit juice.

Correct answer: A

Rationale: The correct answer is to instruct the client to monitor their blood pressure regularly when taking lisinopril. Lisinopril is known to cause hypotension, so monitoring blood pressure is crucial to ensure it stays within a safe range. This monitoring helps in early detection of any potential issues related to low blood pressure, allowing for timely intervention. Choices B, C, and D are incorrect because taking lisinopril with food, increasing potassium-rich foods intake, and avoiding grapefruit juice are not specific instructions related to the safe and effective use of lisinopril.

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