The mean arterial pressure must be greater than or equal to ____ mm Hg to ensure that the brain, coronary arteries, and kidneys remained perfused.

Runoff water contaminated with fuel floating on top presents a danger to firefighters because protective clothing can:

a. more easily cause overheating. b. become heavier when wet. c. cause slips and falls to become more likely. d. absorb fuel in a wicking action.

Frank McBride comes in today for chiropractic manipulation. Dr. White manipulates Frank's lumbar, sacral, and pelvic regions. What is the correct code for this treatment?

A. 98941 B. 98940 C. 98942 D. 98943