The use of ____________________ instruments when working with human blood or giving injections minimizes the need for sanitation, disinfection, and sterilization

Large patients receive a greater exposure than small patients because their

a. SOD is decreased. b. OID is increased. c. entrance skin surface is closer to the source. d. all of the above

The part of the laryngopharanx that prevents food from entering the trachea is called the:

A. glottis. B. cilia. C. epiglottis. D. larynx.