The head, neck, chest, abdomen, and groin are the location of major clusters of:

How long can cells go without oxygen before irreversible cell death occurs?

A) 6 to 10 minutes B) 2 to 3 minutes C) 12 to 16 minutes D) 16 to 20 minutes

When the bleeding time is prolonged, which more definitive tests must be performed?

A. platelet adhesion B. platelet aggregation C. prothrombin time D. only (a) and (b) E. all of the above (a-c)