If a Serum Specimen Is Diluted 1:2 with Buffer Beginning

question 9

Multiple Choice

If a serum specimen is diluted 1:2 with buffer beginning in tube 2 and serially rediluted 1:2 in each of five subsequent test tubes,what is the concentration of serum in tube 5?

• A) 0.5
• B) 0.25
• C) 0.125
• D) 0.06

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