ATI Pharmacology

Correct Answer: C

Rationale: Potassium 3.4 mEq/L is below the expected reference range and puts a client at risk for digoxin toxicity. Low potassium levels can lead to fatal dysrhythmias, especially in older clients taking Digoxin, as potassium plays a crucial role in the heart's electrical activity.

Correct Answer: A

Rationale: The correct answer is to instruct the client to increase their intake of potassium-rich foods. Prednisone can lead to potassium depletion, making it essential to consume foods high in potassium, such as bananas, oranges, and spinach, to maintain electrolyte balance and prevent complications.

Correct Answer: B

Rationale: Avoiding grapefruit juice is crucial when taking Simvastatin because grapefruit juice can increase the blood levels of the medication. This elevation in drug levels can potentiate the side effects of Simvastatin, such as muscle pain and liver damage. It is essential for the client to be aware of this interaction to prevent potential harm and ensure the effectiveness of the medication.

Correct Answer: D

Rationale: Enoxaparin is administered as a subcutaneous injection in the abdomen to prevent bleeding complications. Injecting into the muscle or massaging the site can increase the risk of bleeding. Rotating sites between the arms and thighs is not recommended for Enoxaparin administration due to variations in absorption rates.

Correct Answer: C

Rationale: The correct instruction the nurse should include is that Brimonidine can absorb into soft contact lenses. To prevent this, the client should remove the contacts, instill the medication, and wait at least 15 minutes before putting the contacts back in to avoid any potential absorption of the medication into the lenses.