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

Biology & Microbiology

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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.

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology

Water's surface tension and heat storage capacity are accounted for by its

A) orbitals. B) hydrogen bonds. C) mass. D) size.

Biology & Microbiology