DRGs are assigned by using an algorithm called a:

The layer of the heart that does the work of contracting is the endocardium

Indicate whether the statement is true or false

A gram-negative diplococcus, isolated from a purulent inner ear exudate, that produces butyrate esterase will also produce all of the following except

A) beta-galactosidase. B) oxidase. C) beta lactamase. D) DNase.