Antibiotic reistance that results from altered cellular physiology and structure caused by changes in a microorganisms usual genetic makeupp is known as
A. Environmentally medicated ersistance
B. Inherant resistance
C. intrisic resistance
D. acquired resistace
Ans: D. acquired resistace
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Data review process for AST profiles:
a. requires susceptibility testing results only. b. is the responsibility of a single individual in the laboratory. c. can be done on "as needed" basis, no less frequently than weekly. d. allows for troubleshooting of unusual pro-files and results to be held until resolved.
"Clonal selection" and "clonal expansion"
A. implies that each individual lymphocyte produces a single antibody. B. describes how a single lymphocyte proliferates in a population of effector cells. C. depends on an antibody recognizing a specific epitope. D. explain how an antigen stimulates the production of matching antibodies. E. All of the above
The monomer unit of a protein is
A. fatty acids. B. amino acids. C. polysaccharides. D. nucleic acids. E. monosaccharides.
If an arteriole has a radius of 64 micrometers (?m) and a capillary in the same organ has a radius of 8 ?m, what is the difference in resistance in blood flow between the two?
A. The resistance in the arteriole is 96 times the resistance in the capillary. B. The resistance in the capillary is 48 times the resistance in the arteriole. C. The resistance in the arteriole is 6 times the resistance in the capillary. D. The resistance in the arteriole is 48 times the resistance in the capillary. E. The resistance in the capillary is 6 times the resistance in the arteriole. F. The resistance in the capillary is 96 times the resistance in the arteriole.