A occurs when one of the coronary arteries is blocked, preventing blood from getting to
heart muscle.
A. cardiac tamponade C. myocardial infarction
B. myocardial dysplasia D. cardiac heart block
Question 2
Communities that have several levels of response, from designated first responders to backup ALS units, are said to have a(n) ___________________ ____ ___________________ ____ system.
Fill in the blank(s) with correct word