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1. You are performing a serial two-fold dilution utilizing 0.6ml of serum and eight tubes each containing 0.6ml of buffer. What is the dilution of serum in tube #3?

1/8

1/4

1/32

1/16

2. You must prepare a 1 to 30 dilution for an analysis using 0.3 ml of urine. What amount of diluent do you need?

5.7

8.7

24.9

35.5

3. You are performing a serial two-fold dilution utilizing 0.3ml of serum and ten tubes each containing 0.3ml of buffer. What is the dilution of serum in tube #5?

1/32

1/64

1/128

1/256

4. You must prepare a 1 to 15 dilution for an analysis using 0.2ml of urine. What amount of diluent do you need?

14.8

3.0

9.8

2.8

5. Calculate the dilution factor for a serum sample of 5 ml diluted with 4.5 ml saline.

1 to 3

1 to 2

1 to 1.9

1 to 2.8

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The original RandomQuiz Script v2.1.11 is copyright 1998-2003 by Kristina Pfaff-Harris and can be found at http://www.tesol.net/scripts/
Revisions to the Original Randomquiz Script done by Thomas B. Wiggers, Associate Professor, February 2008

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All course content material, layouts, and examination items are Copyright © 2008 Thomas B. Wiggers.

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