10-25-2007, 01:56 PM
An unrestrained driver sustains a blunt chest injury in an automobile accident, and is taken to the emergency
room. The emergency room physician wants to determine if the heart was bruised when he collided with the
steering wheel. The levels of which of the following creatine kinase isoenzymes or combinations of creatine
kinase isoenzymes would be most useful for this determination?
A. BB isoenzyme
B. MB isoenzyme of creatine kinase
C. MM isoenzyme of creatine kinase
D. Total creatine kinase and the MB isoenzyme
E. Total creatine kinase and the MM isoenzyme
room. The emergency room physician wants to determine if the heart was bruised when he collided with the
steering wheel. The levels of which of the following creatine kinase isoenzymes or combinations of creatine
kinase isoenzymes would be most useful for this determination?
A. BB isoenzyme
B. MB isoenzyme of creatine kinase
C. MM isoenzyme of creatine kinase
D. Total creatine kinase and the MB isoenzyme
E. Total creatine kinase and the MM isoenzyme