Diagnostic Microbiology — Flashcards

Flashcard 21: diagnosis of ricketsial diseases is by _____

Answer: weil felix reaction

Extra: 

Flashcard 22: _____ test is done to rule out klebsella in coliform test for E.coli

Answer: Ejikman's

Extra: 

Flashcard 23: Bronchoalveolar lavage of _____ infection will reveal 'disk-shaped yeast' or cysts containing dark oval bodies

Answer: Pneumocystis jiroveci

Flashcard 24: _____ test is used to detect the polysaccharide capsular antigen present in Cryptococci

Answer: Latex agglutination

Flashcard 25: A direct ELISA tests for an _____, whereas the indirect ELISA tests for an antibody against an antigen

Answer: antigen

Flashcard 26: _____ reaction is done for detection of lecithinase toxin produced by C. perfringes.

Answer: Naglers

Flashcard 27: _____ and Urine rapid antigen tests can also be used to detect Histoplasma

Answer: Serum

Flashcard 28: More than 90% of E. coli isolates are positive for the enzyme _____ which is tested using the MUG test

Answer: -glucuronidase

Flashcard 29: _____ gram stains poorly, thus a silver stain is used to visualize the bacterium

Answer: Legionella pneumophila

Flashcard 30: Gram Negative Algorithm:Diplococci _____ maltose metabolism - Neisseria meningitidis

Answer: with