Atypical — Flashcards

Flashcard 51: Coxiella burnetii is an obligate intracellular bug that forms _____ in animal feces

Answer: spores

Extra: Watch Coxiella burnetii at Sketchy Microbiology. Transmission is often via inhalation of aerosolized spores from cattle/sheep/goat feces or placenta.

Flashcard 52: Mycoplasma pneumoniae is a bacteria associated with Ig_____ _____ agglutination of RBCs

Answer: M

Flashcard 53: What is the etiology of Endemic Typhus? _____

Answer: Rickettsia typhi

Flashcard 54: 1st stage of Chlamydia spp. life cycle: _____

Answer: elementary

Flashcard 55: Which cause of sterile urethritis does not gram stain well? _____

Answer: Chlamydia trachomatis

Flashcard 56: What gram stain is Mycoplasma pneumoniae characterized by? _____

Answer: No stain (lacks cell wall)

Flashcard 57: Rocky mountain spotted fever = _____

Answer: Rickettsia rickettsii

Flashcard 58: Are prions inactivated by **standard** autoclaving?

Answer: No

Extra: Prions are highly resistant to standard sterilization procedures, including autoclaving at 121°C, formalin treatment, and UV radiation. Inactivation requires specialized protocols, such as autoclaving at 134°C or immersion in sodium hydroxide (NaOH).

Flashcard 59: Mycobacterium leprae grows extensively in _____, which have a cooler core body temperature.

Answer: Armadillos

Flashcard 60: Mycobacterium _____ causes cervical lymphadenitis in children

Answer: scrofulaceum