The fecal-oral route of infection is commonly associated with which of the following:

Which of the following organisms is alpha hemolytic on sheep blood agar:

The following is the most common cause of ‘fungus ball’ or ‘Farmer’s Lung’ disease:

Streptococci are unable to protect themselves from the killing effects of H2O2 because they lack the enzyme:

The best predictor of methicillin resistance is:

An acute infection with HBV will be positive for the following:

A young woman went to the Emergency Room with irritated eyes. After examining her, the physician found she had an infection in both of her corneas. A swab of the lesion revealed a spindle ‘canoe’ shaped macroconidia. What is the most likely causative agent?

The best method of confirming a negative or positive HIV status is:

A patient presents with travelers’ diarrhea after exposure to open water sources in the mountain regions of the U.S.  The cyst is described as oval, with 2-4 nuclei, and an axostyle that runs the length of the cyst.  The troph is pear shaped with flagella.  What is the identification of this parasite?

The following differentiates Mycobacterium from other more common bacteria: