Proctored Pharmacology ATI

Correct Answer: A

Rationale: An INR of 4.0 is above the therapeutic range for a client on Warfarin, indicating an increased risk of bleeding. This finding requires immediate reporting to the provider for appropriate intervention to prevent complications associated with excessive anticoagulation.

Correct Answer: B

Rationale: Nevirapine should be taken with food to improve gastrointestinal tolerance and prevent nausea. While absorption is not significantly affected by food, taking it with meals can help reduce adverse gastrointestinal effects.

Correct Answer: B

Rationale: Furosemide is a loop diuretic that can lead to hypokalemia (low potassium levels) due to increased excretion of potassium in the urine. To counteract this effect and maintain electrolyte balance, the client should be advised to increase their intake of potassium-rich foods. This instruction helps prevent potential complications associated with low potassium levels.

Correct Answer: D

Rationale: Propranolol exerts its pharmacological action by blocking stimulation of both beta1 and beta2 receptors. By doing so, it leads to decreased heart rate and blood pressure. Therefore, both options A and C are correct as propranolol affects both types of beta receptors.

Correct Answer: B

Rationale: Grapefruit juice can inhibit the metabolism of amlodipine, a calcium channel blocker, leading to increased drug levels in the blood. This can result in potentiated side effects and potential toxicity. Therefore, it is important for the client to avoid grapefruit juice while taking amlodipine.