Match the microscopic morphology with the most likely agent.
-Very short bacilli occasionally seen as filamentous forms

Question

Quizplus · Accepted Answer

H. inﬂuenzae appear as coccobacilli or small rods, whereas the cells of H. inﬂuenzae biotype aegypticus usually appear as long, slender rods. H. haemolyticus are small coccobacilli or short rods with occasional cells appearing as tangled ﬁlaments. H. parainﬂuenzae produce either small pleomorphic rods or long ﬁlamentous forms, whereas H. parahaemolyticus usually are short to medium-length bacilli. H. aphrophilus and H. paraphrophilus are very short bacilli but occasionally are seen as ﬁlamentous forms. H. segnis are pleomorphic rods, and the cells of H. ducreyi may be either slender or coccobacillary.

Match the Microscopic Morphology with the Most Likely Agent