Diagnostic Microbiology — Flashcards

Gram Negative Algorithm:Bacilli who are slow lactose fermenters include _____, Serratia

_____zone phenomenon has excessive antigen in the test system, leading to weak or even absent precipitation.

The _____ is an agglutination test used to diagnose rickettsial infection

Clostridium difficile is diagnosed via assay to detect _____ in stool or via PCR

The Quantiferon Gold assay measures _____ levels released from T-cells exposed to Mycobacterium tuberculosis

Gram Positive Algorithm:Staphylococcus Coagulase _____ is further broken into Novobiocin sensitivity (resistant or sensitive)

Diagnosis of _____ occurs via microscopy of stool samples,with visualization of acid-fast oocysts.

Hint: which protozoa

_____ Agar is a selective media for gram negative bacteria which contains bile salts to inhibit growth of gram positives

Contents of MacConkey agar: PLANTP _____L LactoseA AgarN Neutral redT Sodium Taurocholate

_____ Agar will have lactose fermenting colonies (ie: E. coli) appear as a green metallic sheen