Feces in a sterile specimen cup is:

a. acceptable.
b. not acceptable.


B
Because indigenous anaerobes are often present in large numbers as normal flora on mucosal surfaces, even minimal contamination of a specimen can give misleading results. Specimens that are likely to be contaminated are unacceptable for anaerobic culture.

Biology & Microbiology

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The process by which new species are created from old species is achieved through which of the following?

a. energy consumption b. evolution c. thermoregulation d. mutations

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Which hormone prepares the reproductive tract for pregnancy?

a. estrogen b. luteinizing hormone c. oxytocin d. progesterone e. prolactin

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The passage of signals back and forth between different pathways is referred to as _________.

a) transvergence b) divergence c) convergence d) coherence e) crosstalk

Biology & Microbiology

The close contact between newborns and family members allow them to become ________ with microbes that become established as their microbiota. (Choose the most accurate term.)

A. infected B. parasitized C. colonized D. contaminated E. infiltrated

Biology & Microbiology