Mycobacteria — Flashcards

Flashcard 1: Mycobacteria tuberculosis grows _____ (fast or slow), requiring 2-6 wks to grow

Answer: slow

Flashcard 2: Mycobacterium _____ forms moist, smooth, flat, white colonies on LJ media that break-up easily when touched.

Answer: bovis

Flashcard 3: The doubling time of Mycobacterium leprae is _____

Answer: 12-14 days

Flashcard 4: Runyon classification of Non-tuberculous Mycobacteria:Group III includes non-photochromagens such as _____

Answer: MAC, M. ulcerans and M. xenopi

Flashcard 5: _____ allows for clumping of Mycobacteria tuberculosis in a "serpentine-like" formation

Answer: Cord factor

Flashcard 6: Which subtype of diphtheria bacilli shows 'poached egg' colonies (flat with central elevation)? _____

Answer: mitis

Flashcard 7: School of fish/railroad track appearance on Gram stain is suggestive of _____

Answer: Hemophilus ducreyi

Flashcard 8: Which subtype of diphtheria bacilli shows 'frog egg' colonies (dark centre, light margins)? _____

Answer: intermedius

Flashcard 9: Miyagawa bodies are seen in _____

Answer: lymphogranuloma venereum

Flashcard 10: Which bacterium is associated with the vaginal microscopic finding shown below? _____

Answer: Gardnerella vaginalis

Extra: The image shows **clue cells**, which are vaginal epithelial cells covered with *Gardnerella vaginalis* bacteria, giving them a "shaggy" or granular appearance. This is a hallmark of **Bacterial Vaginosis**.