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• The specimen to be used in hemocytometer must be MIXED WELL for how long?

  1-2 minutes
• Specimens to be used for hemocytometer must be of what consistency?

  Diluted
• What should be used to clean a hemocytometer?

  70% isoprophyl alcohol in gauze pad
• When the hemocytometer is properly filled, the volume of the liquid in the chamber has a fixed depth of what?

  0.1 mm
• The number of squares counted on each chamber depends on what?

  the total number of cells present
• The accuracy in cell counts is DIRECTLY RELATED to what?

  number of cells
• The greater the number of cells, the greater the what?

  accuracy
• When not needed, what are avoided?

  high dilutions
• If there is EXTREMELY LOW CELL COUNTS, what can be done?

  count additional squares
• If there is already a HIGH CELL COUNT, what can be done?

  count fewer cells
• Dilutions are performed and analyzed in what?

  duplicate cell counts
• If there is an error in the preparation, we must what each chamber?

  compare
• Comparison must agree on what percentage?

  less than or equal to 20%
• If greater than 20%, what should be done?

  repeat DILUTION and counting
• TRUE replication or not: counting the same chamber twice?

  not true
• TRUE replication or not: comparing chamber using same dilution?

  not true
• Which thoma has a SMALLER BULB??

  Thoma WBC
• What is the capacity of the bulb of THOMA WBC?

  10mL
• Which thoma has a BIGGER BORE?

  THOMA WBC
• What is the calibration of thoma WBC?

  11
• What is the beed color of thoma WBC?

  WHITE
• Which thoma has a BIGGER BULB?

  thoma RBC
• What is the capacity of a thoma RBC?

  100ml
• which thoma has a smaller bore?

  thoma rbc
• what is the calibration of thoma RBC?

  101
• What color is the beed of thoma rbc?

  red
• Dilution are based on what?

  visual appearance