22.
AntIbodies that may demonstrate a dosage effect, dependent upon the zygosity of
an antigenic determinant, include:
a. Anti-M,
b. Anti-N.
Anti-Jka.
c.
d. Antl-Jkb.
e. All the above.
23.
In the procedure for autoabsorption of cold-reacting antibodies, the blood with
anticoagulant is kept at ______ to supply the ______ for testing.
a. 37C, cells.
b. 37C, serum.
c.
About 4C, cells.
d. About 4C, serum.
24.
When the serum still contains cold-reacting autoantibodies after the initial cold
incubation in the autoabsorption procedures, it is incubated with autologous cells
for ______ at ______.
a. 2 hours, 37C.
b. 2 hours, about 4C.
c.
30-60 minutes, 37C.
d. 30-60 minutes, about 4C.
MD0846
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