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Although the culture of organisms in the family Spirochaetaceae is not generally recommended, Kelly’s medium has been useful in cultivating species of:

In concentration methods for acid fast bacilli, the sputum must be:

A patient with a nosocomial pneumonia has a sputum gram stain that shows many WBCs and numerous small gram negative coccobacilli.  The organism grew in 24 hours as a mucoid hemolytic colony on SBA and a colorless colony on MAC.  The organism has the following characteristics: catalase positive, oxidase negative, arginine negative, lysine negative, nitrate negative, and ONPG negative.  The organism is:

The reverse CAMP test, lecithinase production, double zone hemolysis, and gram stain morphology are all useful criteria in the identification of:

A spiral, flexible organism was demonstrated on a blood smear.  This motile organism was approximately 12μm long, approximately 0.1μm wide, and had semicircular hooked ends.  The description of this organism corresponds most closely to the morphology of:

Classify the organisms in the following gram stain.

An anaerobic, pleomorphic, gram-positive rod has the following results: Catalase:         Indole:  This organism can be presumptively identified as:

The scotch tape or paddle test is used to identify which parasite?

Two standard deviations (2SD) from the mean in a normal distribution curve would include

In the two-tier system for serological diagnosis of Lyme Disease: