A surgical ________ removes microorganisms more effectively than regular hand washing.

A full third of persons with cerebral palsy are:

a. developmentally challenged. b. of normal intelligence. c. unable to communicate in any way. d. mentally challenged.

When the time spent in a higher radiation area is reduced or limited, occupational exposure

a. is also reduced. b. is increased slightly. c. remains the same. d. is increased considerably.