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Haemophilus spp
Question | Answer |
---|---|
What factors may Haemophilus species require (letter and name)? | X (hemin) and V (NAD) |
Which Haemophilus species is also known as Pfeiffer's Bacillus? | Haemophilus influenzae |
Which Haemophilus species is positive for the porphyrin test and what does this mean? | H. parainfluenzae, this means it does not require X factor because it synthesizes porphyrin intermediates to the X factor |
Which Haemophilus species is the causative agent of pink eye, and what is its alternate name? | H. aegyptius, Kochs-Weeks Bacillus |
Which Haemophilus species would we not recover in the lab because of its particular growth requirements? | H. hemolyticus, which requires rabbit blood agar for growth |