Human immunoglobulins are? which of the responses is (are) correct.

pharmacy

1    are prepared from pooled human plasma or serum

2    are tested for hepatitis B surface antigen

3    are less likely to be associated with hypersensitivity reactions compared with antisera

A    if 1, 2 and 3 are correct

B    if 1 and 2 only are correct

C    if 2 and 3 only are correct

D    if 1 only is correct

E    if 3 only is correct