RCIS- Pharmacology questions with correct answers

In the cath lab, what medications when combined with routine nitroglycerine can lead to severe hypotension? a. NPH insulin b. ARBs (losartan, candesartan) c. NSAIDs (ibuprofen, naproxen) d. Sildenafil (viagra) and vardenafil (levitra) Correct Answer-d. Sildenafil (viagra) and vardenafil (levitra) For patients in atrial fibrillation, the therapeutic range of Coumadin is an INR of: a. 0.8-1.5 b. 2.0-3.0 c. 12-15 sec d. 200-300 sec Correct Answer-b. 2.0-3.0 At the beginning of a complex PTCA/stent case on a 200lb man, 10,000 units of unfractionated heparin were administered. One hour into the procedure the ACT is measured at 285 sec. The physician will probably order: a. no more anticoagulant b. 5000 units Heparin IV c. 10,000 units Heparin IV d. 10mg Protamine IV Correct Answer-a. no more anticoagulant