An example of a lymph node is the:
A) thyroid gland.
B) tonsil.
C) gallbladder.
D) kidney.
B
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Which of the following statements about rubella and the rubella virus is FALSE?
A) EMS providers should receive an MMR vaccination. B) The virus is spread via contact with infected blood and body fluids. C) Immunization via the MMR vaccination is 98 to 99 percent effective. D) Infection in the first trimester of pregnancy increases the risk of birth defects.
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