13.
A properly prepared plant hemagglutinin from Dolichos biflorus will agglutinate
which ABO phenotype cells?
a. A1.
b. A2.
A3.
c.
d. All subgroups of A.
14.
What is an important difference between the procedures for reverse (serum) ABO
grouping and the test for hemolysins?
a. Incubation.
b. Centrifuging.
c.
Type of specimen.
d. Use of group B cells.
15.
Rouleaux formation can often be diminished by:
b. Cooling.
c.
Centrifuging.
d. Adding saline.
16.
For individuals who lack antigens, the formation of antibodies usually comes from:
a. Transfusions.
b. Rh+ or - recipients.
c.
Widespread distribution of Rh+ donors.
MD0845
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