1. the term used for a drug that can be purchased without a doctor's approval misuse 2. medicine only your doctor can give you doctor or pharmacist 3. drugs purchased from the street placebo 4. whom to ask before mixing any drugs prescription 5. taking someone else's medication "over-the-counter" 6. a chemical substance taken to change bodily function illegal 7. drugs used to relieve the body of pain and disease drug 8. sugar pill that is chemically inert

A62-year-old man is being treated for an acute myocardial infarction. he originally came to the ed with substernal chest pain and diaphoresis. given his risk factors of hypertension, diabetes, tobacco use, and family history, he is considered high risk. an ecg in the ed reveals a left-bundle branch pattern, and cardiac enzymes are elevated slightly. after a focused evaluation in the ed, the patient receives iv thrombolytics. although his bundle branch pattern never resolves, the patient is chest pain-free and haemodynamically stable after thrombolysis. two days later, however, the patient reports episodes of recurrent chest discomfort and shortness of breath overnight. in evaluating for potential myocardial reinfarction, which of the following is the most appropriate diagnostic test? - creatinine kinase- dynamic ecg changes- lactate dehydrogenase- myoglobin levels- troponin i level