Name the molecule that is responsible for oxidizing ferrous iron to ferric iron to be combined with transferrin

An IV fluid solution such as normal saline that contains water, electrolytes, and in some cases, dextrose would be referred to as a(n):

A) colloid. B) analgesic. C) crystalloid. D) collusion.

The fiber-optic light surface on the high-speed handpiece should be cleaned with isopropyl alcohol and a cotton-tip applicator

A. once a day. B. after it is cleaned by the ultrasonic. C. before each use. D. after it is sterilized.