Clinical Lab Dilutions

5 Questions | Total Attempts: 3718

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Clinical Lab Quizzes & Trivia

Choose the best answer to each of the questions.


Questions and Answers
  • 1. 
    1.  If you've taken 250 ul of plasma and added 750 ul of distilled water, you have achieved what dilution?
    • A. 

      1:3

    • B. 

      1:4

    • C. 

      1:5

    • D. 

      1:8

  • 2. 
    2.  You begin serial dilution .  In tube 1,  you add 100 ul of plasma to 900 ul of distilled water, acheiving what dilution?
    • A. 

      1:4

    • B. 

      1:5

    • C. 

      1:10

    • D. 

      1:2

  • 3. 
    3.  Taking 100 ul from tube 1's 1:10 dilution, and adding 900 ul of distilled water would achieve what dilution for tube 2?
    • A. 

      1:100

    • B. 

      1:10

    • C. 

      1:1000

    • D. 

      1:10000

  • 4. 
    4.  Continuing this serial dilution out to 5 tubes, what would be the dilution in tube # 5, assuming tube 1 is a 1:10 dilution?
    • A. 

      1:100

    • B. 

      1:1000

    • C. 

      1:100,000

    • D. 

      1:10,000

  • 5. 
    5.  You've diluted 100 ul of plasma with 300 ul of distilled water for a 1:4 dilution. The test still reads as needing further dilution.  You then take 100 ul of the 1:4 dilution and add 100 ul of distilled water.  What number to you need to multiply your result by?
    • A. 

      8

    • B. 

      2

    • C. 

      4

    • D. 

      5

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