Which laboratory tests examine blood, urine, sputum, reproductive fluids, and fluids from wounds to identify the presence of pathogenic organisms?

The chest cavity can hold up to ________ liter(s) of blood in an adult, leading to the possibility of massive internal hemorrhage without any external blood loss

A) 0.5 B) 3 C) 1 D) 5

A drug causing stimulation of a receptor for acetylcholine is

a. cholinergic. b. anticholinergic. c. adrenergic. d. parasympathomimetic.