Microbiology Chapters 10, 11, 12, 13 Exam 3 A Plus Solutions.pdf

Microbiology Chapters 10,11, 12, 13 Exam3 A v v v v v v v v




Plus Solutions v v




From nature bacteria in streptomyces and bacillus and molds in the genre penicillin and cephalosporium. -
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CORRECT ANSWER✔✔Where we get antimicrobials
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Kirby Bauer test /e test - CORRECT ANSWER✔✔antimicrobial susceptibility tests
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Should kill or inhibit microbial cells without simultaneously damaging host tissues - CORRECT ANSWER✔✔
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Selective toxicity v




ribosomes comma cytoplasm, cell wall, cell membrane, DNA / RNA - CORRECT ANSWER✔✔Major targets of
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antimicrobial agents
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effective against more than one group of bacteria - CORRECT ANSWER✔✔Broad-spectrum antimicrobials
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Generally target a specific group - CORRECT ANSWER✔✔Narrow-spectrum antimicrobials
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Inhibition of virus entry comma inhibition of nucleic acid synthesis, inhibition of viral assembly / release -
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CORRECT ANSWER✔✔Major targets of antiviral drugs
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, spontaneous mutations in critical chromosomal genes or acquisition of entire new jeans 4 sets of genes via
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horizontal transfer from another species - CORRECT ANSWER✔✔Ways that microbes acquire antimicrobial
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resistance
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1. Inhibition of cell wall synthesis, to inhibition of nucleic acid RNA and DNA structure and function 3 inhibition
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of protein synthesis for interference with a cell membrane structure and function 5 inhibition of folic acid
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synthesis - CORRECT ANSWER✔✔resistance interactions between drug and host
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manifestations of the adverse effects of drugs administered therapeutically or in the course of diagnostic
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techniques - CORRECT ANSWER✔✔Drug toxicity
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Heightened heightened immunosensitivity - CORRECT ANSWER✔✔Allergic reaction
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An infection occurring during antimicrobial therapy that is caused by an overgrowth of drug-resistant
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microorganisms - CORRECT ANSWER✔✔Superinfection
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the formation of compact population groups of the same type of microorganisms such as the colonies that
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develop when a bacterial cell begins reproducing - CORRECT ANSWER✔✔Colonization
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the entry, establishment, and multiplication of pathogenic organisms within a host - CORRECT ANSWER✔✔
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Infection



Any deviation from Health, as when the effects of microbial infection damage or disrupt tissues and organs -
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CORRECT ANSWER✔✔Disease
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Skin and its adjacent mucous membranes, respiratory tract, outer opening of urethra, external genitalia,
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vagina, external ear canal, external eye - CORRECT ANSWER✔✔Locations for normal biota
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The capacity of microbes to cause disease - CORRECT ANSWER✔✔Pathogenicity
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