Spirochetes — Flashcards

Flashcard 1: Treponema pallidum is a _____ and may be described as 'spiral-shaped'.

Answer: spirochete

Flashcard 2: _____ are responsible for producing corkscrew motility in spirochetes

Answer: Endoflagella

Flashcard 3: Vincent's angina is a fuso-spirochetal infection caused by fusiform bacilli and which spirochete?

Answer: Borrelia vincentii (a spirochete)

Extra: Vincent's angina (also known as Trench Mouth or ANUG) is a fuso-spirochetal infection. It involves a symbiotic relationship between: 1. Fusiform bacilli (e.g., Fusobacterium nucleatum) 2. Spirochetes (e.g., Borrelia vincentii)

Flashcard 4: Gram-positive organisms (3) that commonly colonize **previously damaged** heart valves: 1. _____ 2. Enterococci 3. Streptococcus bovis

Answer: Viridans streptococci

Flashcard 5: _____ of Treponema pallidum can be visualized within condyloma lata/latum of secondary syphilis via darkfield microscopy

Answer: Spirochetes

Flashcard 6: Gram Positive Algorithm:Streptococcus beta-hemolysis Bacitracin _____ - Streptococcus agalactiae (group B strep)

Answer: Resistant

Flashcard 7: _____ broth medium is used to isolate Borrelia species except for B.miyamotoi.

Answer: BSK (Barbour-Stoenner-Kelly)

Flashcard 8: _____ method is the staining procedure of choice in Mycobacterium leprae.

Answer: Fite-Faraco

Flashcard 9: _____ shows corkscrew motility

Answer: Treponema

Flashcard 10: School of fish/railroad track appearance on Gram stain is suggestive of _____

Answer: Hemophilus ducreyi