Which of the following opportunistic organisms is associated with slowly progressive subacute bacterial endocarditis?
a. H. ducreyi
b. H. influenzae
c. Aggregatibacter aphrophilus
d. H. parahaemolyticus
An organism isolated from a sputum sample that has a hockey puck consistency would have which of the following biochemical profiles?
a. Glucose-positive, maltose-positive, and lactose-positive
b. Glucose-positive, maltose-positive, and lactose-negative
c. Glucose-positive, maltose-negative, and lactose-negative
d. Glucose-negative, maltose-negative, and lactose-negative
Which organism's virulence is due to protease and gelatinase production, which causes the destruction of host cells and tissues?
a. Bergeyella zoohelcum
b. E. meningoseptica
c. Chryseobacterium indologenes
d. Agrobacterium spp.
Protocol for testing susceptibility test systems include testing _____ consecutive days.
a. daily for 7
b. bi-weekly for 30
c. every other day for 14
d. with use for 20
During the paroxysmal stage of pertussis, symptoms are:
a. runny nose and mild cough.
b. severe and violent coughing.
c. neutrocytosis and fever.
d. lymphadenitis.
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