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Isolates from an Ear Swab That Are Gram-Negative Coccobacilli Grow

Question 14

Multiple Choice

Isolates from an ear swab that are gram-negative coccobacilli grow on chocolate agar in CO₂ but not blood agar,require both X and V factors for growth,and are nonhemolytic on rabbit or horse blood may be identified as:


A) H.parainfluenzae.
B) H.ducreyi.
C) H.aphrophilus.
D) H.influenzae.

Correct Answer:

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