All of the following pertain to fluoroquinolones, except
A. they are broad spectrum.
B. they are used to treat respiratory, urinary, and sexually transmitted infections.
C. they are nephrotoxic.
D. they are readily absorbed from intestines.
E. they include ciprofloxacin and levofloxacin.
Answer: C
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What is the main source of increasing greenhouse gases?
a. increased cell respiration b. increased use of fossil fuels c. increased diffusion from the oceans d. increased volcanic activity e. increased animal life on Earth
Scientists have a very complete fossil record showing the evolution of horses over millions of years, with the legs becoming longer and the teeth larger. These evolutionary changes were from the ancestry horse adapting from living in forests to the modern horse feeding on grasslands. This is an example of
A. gradualism. B. a prezygotic barrier to evolution. C. punctuated equilibrium. D. adaptive radiation. E. extinction.
The cochlea is a coiled structure with fluid-filled
ducts that holds the mechanoreceptors responsible for hearing in its __________. Fill in the blank(s) with the appropriate word(s).
Which of the following is considered a mechanical vector transmission?
A. cockroach transmission of Shigella B. mosquito transmission of Plasmodium C. flea transmission of Yersinia D. tsetse fly transmission of Trypanosoma E. louse transmission of Rickettsia