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.
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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
Which hormone prepares the reproductive tract for pregnancy?
a. estrogen b. luteinizing hormone c. oxytocin d. progesterone e. prolactin
The passage of signals back and forth between different pathways is referred to as _________.
a) transvergence b) divergence c) convergence d) coherence e) crosstalk
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