This microlearning teaches the proper techniques to be used while performing the Oxidase Test, which is one of several tests that is used to identify Gram-negative bacteria.

Using a new skin care product without testing it first can potentially cause allergic contact dermatitis, an inflammatory skin condition in which the immune system overreacts to an ingredient in the ...

Patch testing describes a procedure to help identify what ingredients might irritate a person’s skin. Many skin care products contain chemicals that can cause an allergic reaction when a person ...