When a substance gains oxygen, the substance is __________.

A(n) __________ agent is a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound.

Commonly encountered polymicrobial infections are common in

All the following colors are commonly used to describe bacteria, except

The specimen of choice for detecting gastrointestinal pathogens is

A microbiology technologist is working at the bench and notices that a patient from the cardiac intensive care unit (CICU) grows a Klebsiella pneumoniae bacterium that is an extended-spectrum β-lactamase-producing isolate. This technologist would advise the physician to

Contaminating materials include all the following, except

To keep abreast of all infections that occur in the hospital, infection control practitioners set up surveillance programs. These surveillance programs look at this parameter to determine if there are more or fewer infections in a given period.

Why should laboratory professionals look for contamination of a specimen by normal microbial flora?

Types of specimens that can be batch processed, including all the following, except