Which of the following organisms does not require susceptibility testing due to predictability?
A. Staphylococcus aureus
B. Enterococcus species
C. Streptococcus pneumoniae
D. Streptococcus pyogenes
Ans: D. Streptococcus pyogenes
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Antimicrobial susceptibility testing should be performed when:
a. a single bacterial species grows from any body site. b. an isolate has a predictable susceptibility profile to therapeutic drugs of choice. c. reliable standardized methods for testing a clinically significant isolate exist. d. administering intravenous or oral antibio-tics to treat an infection.
Groups of bacteria living together in a close knit
group are also known as a. eukaryotes. b. all pathogenic bacteria. c. monophylogenic cultures. d. biofilms. e. all of these.
The energy expenditure of a mammal at rest, in the postabsorptive state, and at a standard temperature is referred to as its
A. basal metabolic rate. B. baseline metabolic rate. C. standardized metabolic rate. D. activated metabolic rate. E. total metabolic rate.
Water's surface tension and heat storage capacity are accounted for by its
A) orbitals. B) hydrogen bonds. C) mass. D) size.