ANAEROBIC ORGANISMS

Question 1

Potential agent for bioterrorism
o Etiologic agent for botulism
o Improperly preserved food (canned goods and honey)

Answer 1

C. botulinum

Question 2

Tetanus (lockjaw); Swarming colonies; Rods with round, terminal spores (drumstick or tennis racket appearance)

Answer 2

C. tetani

Question 3

Horse stable odor, produces yellow, ground glass colonies on CCFA agar, and
demonstrates chartreuse fluorescence upon exposure to UV light

Answer 3

C. difficile

Question 4

nonhemolytic, colonies swarm and have a characteristic medusa head appearance. Lecithinase-negative and hydrolyzes esculin

Answer 4

C. septicum

Question 5

most frequently isolated in Periodontal disease

Answer 5

Actinomyces isrealli

Question 6

Bacterial vaginosis; Diagnosed on Gram staining of vaginal secretions by observation of gram-variable,
curved rods with tapered ends

Answer 6

Mobiluncus spp.

Question 8

Gram-positive pleomorphic rods that appear as rods or are branched or club- shaped

Answer 8

Bifidobacterium spp.