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Microbiology Nursing

Microbiology

QuestionAnswer
Epidemiology The science that studies when and where diseases occur and how they are transmitted
Compromised Host a host where resistance to infection is impaired
asepsis the absence of significant contamination
exotoxin a protein toxin released from living, mostly gram POSITITVE bacterial cells
enzyme a molecule that catalyzes biochemical reactions in a living organism, usually a protein
antibiotic a substance produced by microorganisms that in small amounts, inhibits another microorganism
What are five modes of action of antimicrobial drugs? Inhibition of cell wall synthesis; inhibition of protein synthesis; injury to the plasma membrane; inhibition of nucleic acid synthesis; inhibiting the synthesis of essential metabolites
Antimicrobials: How do they inhibit cell wall synthesis? By preventing the synthesis of intact peptidoglycan.
Antimicrobials: only _ _ cells are affected by these antibiotics actively growing
Antimicrobials: peptidoglycan is found on _ cells. only bacterial. Thus, penicillin has little toxicity for human host cells.
Created by: BsCN