Pistol grip and pen-type syringes are used for ________ injections

________ muscle tissue is found in the viscera (internal organs)

a. Rough b. Cardiac c. Skeletal d. Smooth

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.