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: 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: C

Rationale: Propranolol undergoes extensive first-pass metabolism in the liver. When administered orally, propranolol is extensively metabolized by the liver before reaching systemic circulation, leading to reduced bioavailability. This process is known as first-pass hepatic metabolism, which significantly affects the drug's effectiveness and necessitates higher oral doses compared to other routes of administration.

Correct Answer: A

Rationale: Caffeine can increase the risk of theophylline toxicity as it competes for the same metabolic pathways, so clients should avoid consuming caffeine while on theophylline to prevent adverse effects.

Correct Answer: A

Rationale: Hydrochlorothiazide is a diuretic that can cause potassium loss, leading to hypokalemia. Monitoring potassium levels is crucial to prevent potential adverse effects such as cardiac arrhythmias and muscle weakness.