Why do hospitals often use wheelchairs to move patients, even when patients are capable of walking?

A Hospital personnel want to make sure patients are waited on and
don't have to do anything for themselves.
B. Patients don't know where they are going in a hospital, and having
personnel wheel them around is more efficient.
C. Hospital personnel do not want to let patients out of their sight
due to the risk of misidentifying patients.
D. Patients may not realize the effect treatment has on their body
and are at risk for falls.

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