First-degree AV block is characterized by a prolonged QRS interval

The appropriate method for measuring the size of a patient's great toe wound is:

A. direct wound measurement. B. wound tracing. C. total body surface area. D. A and B.

The goal of cardiovascular regulation is to ensure that blood flow changes occur:

A) without drastically altering blood pressure. B) in the right area. C) at appropriate times. D) All of the above