Drug Recalls And Shortages Practice Test

A 54-year-old female (height 168 cm, weight 74 kg) with hypertension is controlled on lisinopril 10 mg by mouth once daily. Due to a shortage, the prescriber switches her to benazepril 10 mg by mouth once daily. Baseline labs today: serum creatinine 0.9 mg/dL (normal 0.6–1.2), potassium 4.7 mEq/L (normal 3.5–5.0). Which monitoring parameter should be reassessed due to the medication change?

A 68-year-old male (height 178 cm, weight 86 kg) with atrial fibrillation is maintained on warfarin 5 mg by mouth once daily (last international normalized ratio INR 2.4; goal 2.0–3.0). His other medications include metoprolol succinate 50 mg by mouth once daily and atorvastatin 40 mg by mouth at bedtime. The pharmacy receives an urgent manufacturer recall notice for warfarin 5 mg tablets, lot #W5-2311, due to potential superpotency; the patient confirms his current bottle matches this lot and he has taken today’s dose. What is the pharmacist’s best action in response to the drug recall?