front 1 What is the purpose of doing an acid fast stain? | back 1 It is a differential stain used to detect cells capable of retaining a primary stain when treated with acid alcohol. |
front 2 What bacteria is an acid fast stain used to identify? | back 2 Mycobacterium |
front 3 What are the 3 primary steps involved in doing an acid fast stain? | back 3
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front 4 What three organisms would be positive for a capsule stain? | back 4 Bacillus anthracis, Streptococcus pneumoniae, Klebsiella pneumoniae |
front 5 What is a capsule stain? | back 5 A differential stain which selectively stains external capsules surrounding bacterial cells. |
front 6 What is the purpose of doing an endospore stain? | back 6 To detect the presence, shape, and location of endospores in bacterial cells. |
front 7 What are the two main genera identified by the presence of endospores? | back 7
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front 8 What is the procedure for endospore stain? | back 8
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front 9 Blood Agar is selective for... | back 9 Streptococcus |
front 10 Blood Agar is differential for... | back 10 An organism's ability to hemolyze red blood cells |
front 11 Blood Agar: Alpha hemolysis | back 11 Mild or incomplete hemolysis |
front 12 Blood Agar: Beta hemolysis | back 12 Complete hemolysis |
front 13 Blood Agar: Gamma Hemolysis | back 13 No hemolysis |
front 14 Mannitol Salt Agar is selective for... | back 14 Staphylococcus aureus |
front 15 Mannitol Salt Agar is differential for... | back 15 An organism's ability to ferment the carbohydrate mannitol. |
front 16 Color of a pathogen on Mannitol Salt Agar plate? | back 16 Yellow |
front 17 Color of nonpathogen on Mannitol Salt Agar plate? | back 17 Red |
front 18 Eosin Methylene Blue (EMB) Agar is selective for... | back 18 Members of enteric bacteria (Gram negative rods) |
front 19 Eosin Methylene Blue (EMB) Agar is differential for... | back 19 An organism's ability to ferment lactose. |
front 20 Color of nonpathogen on EMB Agar? | back 20 Green |
front 21 Color of weak pathogen on EMB Agar? | back 21 Pink |
front 22 Color of strong pathogen on EMB Agar? | back 22 White |
front 23 MacConkeys Agar is selective for.... | back 23 Enteric gut bacteria |
front 24 MacConkeys Agar is differential for... | back 24 An organism's ability to ferment lactose |
front 25 Color of nonpathogen on MAC Agar? | back 25 Pink |
front 26 Color of pathogen on MAC Agar? | back 26 White |
front 27 Selective Media | back 27 Suppresses the growth of some organisms and promotes the growth of others (Gram + or Gram -) |
front 28 Differential Media | back 28 Allows you to differentiate between two types of bacteria (fermentation of lactose.) |