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After eating chicken at a neighborhood BBQ, a man experiences abdominal pain, cramping, and diarrhea. He seeks help at his local hospital, where a stool culture is performed. A potential pathogen with the following gram stain is isolated. What is the most likely organism?     image001638f9f16.gif

A gram stain performed on a sinus aspirate revealed gram negative diplococci. Oxidase testing is positive and the carbohydrate testing is negative. The organism is most likely:

Proper collection of a sample for recovery of Enterobius vermicularis includes collecting:

Given the growth on the quad plate, what is the most likely organism? Question 15.jpg     

Which of the following organisms is considered pathogenic in a stool culture?

A patient with very pale patches on his arms and legs is examined at his physician’s office.  His physician orders a fungal culture.  The fungus shows a spaghetti-and-meatball appearance on the direct smear.  What organism is it?

Which parasite causes pinworm?

A pregnant patient is screen for Group B Streptococcus (GBS) at 36 weeks gestation. A vaginal swab is collected and cultured in Todd-Hewett broth with antibiotics. The broth is subcultured to a BAP after 24 hours of incubation. No GBS are seen on the subculture and the results are reported as negative. The patient later delivers an infant with early onset GBS disease. What is the most likely reason for the negative GBS culture?

A microbiologist is reading a sputum culture and notices tiny, translucent colonies clsely around a beta-hemolytic colony on the blood agar plate (BAP).  The colonies appear to only be growoing where the blood has been hemolyzed.  What is the probable identify of the organism that is growing closely to the beta-hemolytic organism, and why are they growing n the hemolyzed area?

What is an obligate/strict anaerobe?