People with high-caloric requirements should obtain a potion of their daily calories from low-nutrient-dense foods like fruits and vegetables

The tread of a stair, the horizontal dimension, must NOT be less than:

a. 7 inches. b. 9 inches. c. 11 inches. d. 13 inches.

During a sleep study, which of the following monitors electrophysiologic changes in the brain?

A. EOG B. EMG C. EEG D. ECG