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Author Question: Measurement of vitamin B12 concentration in serum using an immunoassay is an example of which of the ... (Read 119 times)

Marty

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on: Jun 25, 2018
Measurement of vitamin B12 concentration in serum using an immunoassay is an example of which of the following?
 
  A. Indirect assay
  B. Direct assay
  C. Screening assay
  D. Bioassay

Question 2

Suppose a laboratory received 2 g of DNA from a clinical sample, when the DNA isolation procedure used stated that 10 g was optimal. The laboratory's result can be explained by all of the factors below EXCEPT:
 
  A. A low patient white blood cell count.
  B. Inadequate harvesting of the buffy coat from the sample.
  C. Storage of the whole blood sample at 22C for 12 hrs prior to use.
  D. Contamination of the sample with protein.
Clinical Laboratory Chemistry ¦ Sunheimer, Graves ¦ 2nd Edition
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Laurenleakan

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Reply #1 on: Jun 25, 2018
Answer to Question 1

B

Answer to Question 2

B


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