micropara lab ex. 4

• A test in which organisms are mixed with plasma or a slide.


  Coagulase Test
• If the cells clump together, the culture is


  Coagulase positive
• Organisms that live together in close association and may or may not benefit each other

  Commensals
• A gram positive, club shaped organism sometimes called a coryneform.


  Diphtheroid
• Materials used for Normal Body Flora Experiment

  2 NA plates, NSS, 70% ethyl alcohol, Sterile cotton swab, & Cotton swab
• NSS means

  Normal Saline Solution
• Saturate a cotton ball with ______ and rub the forehead for 20 seconds.


  70% ethanol
• Let it dry for

  20 minutes
• Moisten a sterile swab with saline and rub it briskly on an area of your forehead about the size of a 1 peso coin for about 


  15 seconds
• Incubate both NA plates bottom side up (inverted) at 37°C for 


  24 hours
• Different kinds of Form


  Circular, Irregular, Filamentous, Rhizoid
• Different types of Elevation


  Raised, Convex, Flat, Umbonate, Crateriform
• Different types of Margin


  Entire, Undulate, Filiform, Curled, Lobate
• convex - elevation

  
• crateriform - elevation

  
• curled - margin

  
• entire - margin

  
• filamentous - form

  
• filiform - margin

  
• flat - elevate

  
• irregular - form

  
• lobate - margin

  
• raised - elevate

  
• rhizoid - form

  
• umbonate - elevate

  
• undulate - margin

  
• With a streaking manner, immediately swab the 


  NA plates
• Title of experiment

  Normal body flora