Why are Lewis antibodies typically considered clinical insignificant?   Question 10 options:   A)  Lewis antibodies are IgM.   B)  Lewis antigens are not present on fetal and neonatal RBCs.   C)  Lewis antigens are not an integral part of the RBC membrane and can be eluted off.   D)  All of the above.

Due to a clerical error, several blood samples at a blood bank were not labeled. The three list below were conducted on each sample to identify each blood type. Test 1 = Unknown sample mixed with “anti-A” serum (contains type A antibodies) Test 2 = Unknown sample mixed with “anti-B” serum (contains type B antibodies) Test 3 = Unknown sample mixed with “anti-Rh” serum (contains type Rh antibodies) (A) When unknown sample A was tested, agglutination (clumping) of red blood cells occurred in test 1, 2 and 3. The blood type of sample A is… (B) When unknown sample B was tested, no agglutination (clumping) of red blood cells occurred in any tests. The blood type of sample B is… (C) When unknown sample C was tested, agglutination (clumping) of red blood cells occurred in test 2 and 3, but not 1. The blood type of sample C is…

1. The laboratory scientist performs a differential on the patient’s peripheral blood smear. Although there are low numbers of white blood cells, the scientist notes a few plasma cells in the peripheral smear. Plasma cells are which kind of white blood cell? Please explain no more than 3-6 sentences.  A). Granulocyte B). Lymphocyte C). Monocyte 2. Plasma cells are which type of lymphocyte? Explain, No more than 3-6 sentences. A). T cells B). B cells

in blood banking, what are "Auto broad specificity antibodies" ?