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Author Question: The percentage of CD4 positive lymphocytes is determined by flow cytometry using staining with ... (Read 16 times)

Haya94

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on: Jun 25, 2018
The percentage of CD4 positive lymphocytes is determined by flow cytometry using staining with fluorescent-tagged antibodies against CD3 and CD4 followed by whole blood RBC lysis.
 
  What calculations does the dual platform use to determine the absolute number of CD4 positive cells?
 
  a. Absolute CD4 count x 100
  b. Number of CD4+ cells x 100
  c. Absolute lymphocyte count x  CD4+ lymphocytes/100
  d.  lymphocytes x  CD4+ lymphocytes/100

Question 2

Choose the correct statement regarding the IRF from the following choices:
 
  a. It is directly proportional to the degree of bone marrow turnover.
  b. It is indirectly proportional to the average age of the reticulocytes.
  c. It cannot be used to monitor erythropoietin therapy.
  d. It cannot be used to monitor bone marrow recovery after transplant.


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Christopher

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

Correct Answer: C

Answer to Question 2

Correct Answer: B


Haya94

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

marict

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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