LPN Pharmacology Assessment A

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.

Correct Answer: A

Rationale: Taking warfarin at the same time each day is crucial to maintain consistent blood levels and ensure the effectiveness of the medication in preventing clot formation. Consistent timing helps in monitoring and adjusting the dosage as needed to keep the international normalized ratio (INR) within the therapeutic range to prevent clotting events or excessive bleeding.

Correct Answer: B

Rationale: Tachycardia can be a side effect of albuterol and should be reported.

Correct Answer: C

Rationale: Nausea is an early sign of theophylline toxicity. The nurse should closely monitor the client for this symptom as it can progress to more severe toxicity. Nausea can be a warning sign to prevent further complications and adjust the dosage as necessary.

Correct Answer: C

Rationale: Taking aspirin with food is important as it helps reduce the risk of gastrointestinal irritation and bleeding. This instruction is crucial for clients with a history of coronary artery disease to ensure the medication's effectiveness and minimize potential side effects.