Using A Haemocytometer

9 Questions | Total Attempts: 2867

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Human Biology Quizzes & Trivia

HUMAN BIOLOGY AS A quiz on how to use a haemocytometer


Questions and Answers
  • 1. 
    A haemocytometer is a special counting chamber designed for counting _____ ____.
  • 2. 
    What is the rule used when counting cells in a haemocytometer?
    • A. 

      North East Rule

    • B. 

      Counting Rule

    • C. 

      South West Rule

    • D. 

      North West Rule

  • 3. 
    What squares are used when couting red blood cells?
    • A. 

      The corner squares

    • B. 

      The middle top square and middle bottom square

    • C. 

      The 3 squares on the left and the 3 squares on the right

    • D. 

      The middle square

  • 4. 
    What is the dilution factor for red blood cells?
    • A. 

      1:300

    • B. 

      1:200

    • C. 

      1:100

    • D. 

      1:50

  • 5. 
    What is the volume of one triple-lined square?
    • A. 

      0.02mm³

    • B. 

      0.002mm³

    • C. 

      0.004mm³

    • D. 

      0.04mm³

  • 6. 
    What is the dilution factor for white blood cells?
    • A. 

      1:100

    • B. 

      1:50

    • C. 

      1:20

    • D. 

      1:10

  • 7. 
    Where are white blood cells counted?
    • A. 

      The middle square

    • B. 

      The 3 left squares and 3 right squares

    • C. 

      The squares in the corners

    • D. 

      The 3 top squares and 3 bottom squares

  • 8. 
    Why are several squares on the haemocytometer counted, rather than just one?
    • A. 

      It is more representative

    • B. 

      It is more fair

    • C. 

      It makes the results more reliable

    • D. 

      It is more valid

  • 9. 
    When counting white blood cells, what is the volume of each square?
    • A. 

      0.02mm³

    • B. 

      0.01mm³

    • C. 

      0.2mm³

    • D. 

      0.1mm³

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