Aerobic GPB

Question 1

Corynebacterium diphtheriae

Answer 1

throat/NP

Loeffler's medium: pleomorphic with metachromatic granules (reddish), beaded
Cysteine tellurite agar +
Tinsdale +
Urea-
non-motile
glucose +
maltose+
sucrose-

Disease: grey/wht pharyngeal membrane, sore throat, death from cardiac failure
TX: Pen, Amp, Erythro

Question 2

Corynebacterium jeikeium

Answer 2

Immunocompromised with invasive procedures (prosthetic devices and catheters)

Question 3

Listeria monocytogenes

Answer 3

Associated with fetus ->stillbirth/retardation
food/animal products (cheese, deli meat)
ID: beta, Cat+, umbrela/tumbling motility, “cold enrichment”, CAMP+

Question 4

Erysipelothrix rhusiopithiae

Answer 4

Zoonosis: swine, turkey, sheep farmers, fishers (gets into cut/scratch on hand)
Disease: defined purple-red zone
ID; Cat+, non-motile, H2S+

Question 5

Bacillus cereus

Answer 5

Food poisoning, fried rice

Penicillin Resistant