An organism that many women carry as part of their normal genital microbial flora that may be transmitted to the neonate during childbirth is:
a. Staphylococcus.
b. Escherichia coli.
c. S. agalactiae.
d. G. vaginalis.
A culture performed on a vaginal specimen collected from a 38-year-old woman would likely grow primarily:
a. group B hemolytic streptococci.
b. staphylococci and corynebacteria.
c. lactobacilli, Enterobacteriaceae, strepto-cocci, and staphylococci.
d. G. vaginalis, Prevotella spp., Peptostrep-tococcus spp., and Mobiluncus spp.
A stool specimen is examined, and the following characteristics are observed: 15 to 18 lateral branches on each side Scolex with four suckers No hooklets The intermediate hosts of this tapeworm are:
a. cattle.
b. humans.
c. cats.
d. swine.
Kingella spp. can be distinguished from Neisseria spp. by its:
a. negative test for catalase.
b. positive test for lactose fermentation.
c. positive test for catalase.
d. negative test for oxidase.
The gram-negative coccus that can be described as oxidase-positive, glucose-negative, maltose-negative, sucrose-negative, lactose-negative, and DNase-positive is:
a. N. meningitidis.
b. M. catarrhalis.
c. Neisseria cinerea.
d. N. gonorrhoeae.
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