You are assessing a 17-year-old male patient with a burn on the lateral aspect of his thigh. Which of the following guidelines is most helpful when estimating the percentage of total body surface area involved?

The abdominal cavity is divided into:

A. quadrants. C. bisectional areas. B. tridivisions. D. anatomic planes.

Which one of the following stimuli is the primary stimulus to breathe in normal human beings?

a. The level of CO2 in the body b. The amount of oxygen the body requires c. The level of oxygen in the body d. The amount of nitrogen in the air