Atypical — Flashcards

Flashcard 11: What culture medium is used to isolate Legionella spp.?

Answer: Charcoal yeast agar with cysteine and iron

Flashcard 12: What culture medium is used to isolate M pneumoniae?

Answer: Eaton's agar

Flashcard 13: Ziehl-Neelsen (carbolfuchsin)

Answer: Mycobacterium, Nocardia

Flashcard 14: Why are Rickettsia, Chlaymidia, and Legionella difficult to gram stain?

Answer: They are intracellular bacteria.

Flashcard 15: How can Mycbacteria be visualized microscopically?

Answer: acid-fast stain

Flashcard 16: Which bacteria tend not to Gram stain?

Answer: Treponema, Rickettsia, Mycobacteria, Mycoplasma, Legionella, Chlamydia mnemonic: These Rascals May Microscopically Lack Color

Flashcard 17: What is unique about the cell wall of Mycobacteria?

Answer: contains mycolic acid, high lipid content

Flashcard 18: What is unique about the cell wall of Mycoplasma?

Answer: it is absent

Flashcard 19: Give examples of bacteria that do not have a cell wall.

Answer: Mycoplasma

Flashcard 20: _____ bacteria cannot synthesize their own ATP, instead depending on the host for supply

Answer: Obligate intracellular

Extra:  https://onlinemeded.org/spa/infectious-disease?ref=anki