Correct Answer: A

Rationale: Lidocaine is administered to prevent dysrhythmias by delaying conduction in the heart and reducing the automaticity of heart tissue. This action helps stabilize the heart's electrical activity and prevent life-threatening arrhythmias post-cardiac arrest.

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.

Correct Answer: A

Rationale: Bradycardia is a common adverse effect of Beta Blockers due to their mechanism of action in slowing down the heart rate. Clients taking Beta Blockers should be monitored for signs of bradycardia, such as a slow heart rate, dizziness, or fainting. Monitoring for this adverse effect is crucial to prevent potential complications and ensure client safety.

Correct Answer: A

Rationale: The therapeutic effect of lisinopril, an ACE inhibitor, is indicated by a decrease in blood pressure. Lisinopril works by relaxing blood vessels, leading to a reduction in blood pressure. Monitoring and achieving a decrease in blood pressure is a key outcome when managing hypertension with lisinopril.

Correct Answer: C

Rationale: The correct answer is C. Taking aspirin along with Warfarin can increase the risk of bleeding. Clients should be advised to avoid medications that increase the risk of bleeding when taking Warfarin to prevent complications.