Haemophilus influenzae requires _____ to grow.

Which of the following genera include anaerobic gram-negative nonsporulating bacilli?

Which of the following media is best for isolating Yersinia sp.?

Neisseria virulence factors include:  (10.6)

Which of the following is not a characteristic of Mycoplasma? (14.1)

A Corynebacterium species recovered from a throat culture is considered a pathogen when it produces: 

Yaws is a nonveneral treponemal disease.

Gram stain morphology of Fusobacterium is

Match the aerotolerance test results to the correct type of organism.

Which serotype of Escherichia coli cannot ferment sorbital, is called enterohemorrhagic serotype, and is associated with hemolytic-uremic syndrome (HUS)? (7.3; 7.7)