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The first step in polymerase chain reaction is:

Soft cheese imported from Mexico was implicated as the source in an outbreak of meningitis that occurred among attendees of a large company picnic. Gram-positive, nonspore forming, motile, coccobacilli were isolated from the cheese that had been stored in the cold. The organism most likely responsible for this outbreak is:

The following results were obtained when an ampicillin microdilution test was performed: Test Well Result Sterility Turbid Growth Turbid 1 µg/mL Turbid 2 µg/mL Turbid 4 µg/mL Turbid 8 µg/mL Turbid 16 µg/mL Turbid 32 µg/mL Turbid   An evaluation of these results indicates that the:

Which of the following is the vector for Plasmodium?

Pseudomonas aeruginosa can be described by all of the following statements except:

Growth characteristics of most fungi include all of the following except:

An isolate from an immunosuppressed patient’s CSF growing on cornmeal agar produces the following structures: contains blastospores, no pseudohyphae, arthrospores, or chlamydospores.  What tests should be performed next?

This blood smear shows the characteristic display of:

The typical microscopic morphology of Malassezia furfur is:

The agent of Q fever is: