Micro

D

What structure differentiates C. albicans from other Candida species? A) Hypha B) Blastoconidia C) Mycellium D) Chlamydospore

B

Which mold is classified as a zygomycete? A) Microsporum nanum B) Cunninghamella species C) Trichophyton schoenleinii D) Epidermophyton floccosum

B

Which organism "pits" the agar and smells like bleach? A) Clostridium difficile B) Eikenella corrodens C) Proteus vulgaris D) Pasteurella multocida

C

Which organism is NOT gram-positive? A) Neisseria B) Klebsiella C) Cornynebacterium D) Haemophilus

A

A curved gram-negative rod isolated from diarrhea stool was hippurate positive. What's most likely the organism? A) Campylobacter jejuni B) Campylobacter coli C) Salmonella spp. D) Vibrio cholera

C

A wound culture produces a gram negative rod with 2+ growth on a BBE plate and is resistant to kanamycin, colistin, and vancomycin. What is the organism? A) Veillonella B) Prevotella intermedia C) Bacteroides fragilis group D) Fusobacterium necrophorum

A

Identify the suspicious form found in stool. A) Entamoeba histolytica B) Entamoeba hartmanni C) Entamoeba coli D) Artifact

A

The umbrella motility seen in Listeria monocytogenes occurs at what optimal temperature? A) 25 C B) 30 C C) 35 C D) 42 C

Iodamoeba butschlii

This suspicious form was found in a stool submitted for parasite study. What's the most likely identification? A) Iodamoeba butchlii B) Endolimax nana C) Entamoeba coli D) Acanthamoeba species

D

What dimorphic genus characteristically produces barrel-shaped arthroconidia separated by dysjunctor cells? A) Geotrichum species B) Trichosporon species C) Microsporum species D) Coccidiodes immitus