Which of the following is normal oral and nasopharyngeal flora but is involved in infective endocarditis in adults who have underlying congenital or rheumatic heart disease?

A. Haemophilus influenzae
B. Haemophilus aphrophilus
C. Haemophilus aegyptius
D. Haemophilus ducreyi
E. All of the choices are correct


Ans: B. Haemophilus aphrophilus

Biology & Microbiology

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Intermediate filaments assemble and disassemble in a living cell

a. true b. false

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