quiz for 12.14

quiz for 12.14 - Quiz 4 exercises 12 and 14 1. What is...

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Quiz 4 exercises 12 and 14 1. What is meant by each of the following: antiseptic, disinfectant, antibiotic? Antiseptic : a chemical that inhibits or kills microbes. The definition also implies that the chemical is sufficiently nontoxic that it may be applied to skin and mucous membranes. Disinfectant : a chemical agent that rids an area of pathogenic microorganisms. It kills vegetative forms of bacteria but ordinarily not spore forms. The chemical is sufficiently toxic that it should be not applied to body surfaces, only on materials. Antibiotic : chemicals produced and secreted by microorganisms<bacteria, fungi, actinomycetes>that can inhibit or destroy the growth of pathogenic microorganisms. 2. Define the term, "sepsis". Sepsis is the presence of pathogenic microorganisms or their toxins in tissue or blood. 3. To determine if a bacterial culture is susceptible or resistant to a specific antibiotic A. How is an agar plate inoculated ? Dipping in broth and then spreading in three or more directions. B. How is the antibiotic introduced ?
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quiz for 12.14 - Quiz 4 exercises 12 and 14 1. What is...

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