Although validated susceptibility testing methods do not exist for this group of organisms, in vitro data suggest that certain cephalosporins and aminoglycosides are effective against which one of the following groups of organisms?

a. O. anthropi
b. S. putrefaciens
c. P. yeei
d. R. radiobacter


D
Most strains of R. radiobacter are susceptible to cephalosporins, carbapenems, tetracyclines, and gentamicin.

Biology & Microbiology

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Which hormone is responsible for signaling ovulation?

a. FSH b. inhibin c. LH d. estrogen

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The white cliffs of Dover, England are composed of the fossilized remains of:

1.diatoms 2.foraminifera 3.euglenoids 4.radiolarians

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Which of the following is NOT a hormone?

a. gastrin b. secretin c. mucin d. cholecystokinin e. leptin

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What organelle inactivates toxins?

a. nucleus b. mitochondria c. peroxisomes d. lysosomes e. Golgi body

Biology & Microbiology