Diagnostic Microbiology — Flashcards

Flashcard 111: Which serological tests for syphilis are qualitative (treponemal or non-treponemal)?

Answer: Treponemal tests

Flashcard 112: Which part of embryonated egg is used for Isolation of chlamydia and rickettsia?_____

Answer: Yolk sac

Flashcard 113: CLED medium is used for the growth of _____ spp. and can prevent swarming

Answer: Proteus

Flashcard 114: _____ medium is the transport media used for Neisseria.

Answer: Stuarts

Flashcard 115: What is the test of choice for screening T. pallidum infection?_____

Answer: RPR

Flashcard 116: What is the biphasic medium used for the culture of Brucella?

Answer: Castenada's medium

Extra: Castenada's medium is a **biphasic medium** (containing both solid agar and liquid broth) used for blood culture of *Brucella* to reduce the risk of contamination from repeated subculturing. **Selective media** for *Brucella* (used for contaminated specimens) include **Farrell's medium** and Mair's medium.

Flashcard 117: Estimation of antibody _____ using ELISA in leprosy can be useful as a tool for early diagnosis

Answer: anti phenolic glycolipid-1 (PGL-1)

Flashcard 118: Which agar is a better alternative to TCBS for isolation of Vibrio vulnificus?_____

Answer: VV agar

Flashcard 119: _____ agar is the selective isolation media for culture of Listeria spp.

Answer: PALCAM

Flashcard 120: Investigation of choice for neurosyphilis is _____.

Answer: VDRL