From age 20 or 30 to age 90, brain weight declines about ________ percent, and the area of the cerebral ventricles relative to the entire brain may increase three to four times.

Trauma assessment is largely:

A. dependent upon online medical direction. B. based on patient history and scene observations. C. a highly specialized process. D. based on a hands-on physical examination.

Which of the following is considered an abnormal result?

A) Male hemoglobin: 10 g/dL B) WBC count: 5,000/cu mm C) Female hematocrit: 44% D) Male RBC count: 5.5 million × 10/12/L