In the two-tube crossmatch procedure, the first incubation temperature is ______
and the second incubation temperature is ______.
a. 37C; 4C.
b. 40C; 37C.
About 22C; 37C.
d. 37C; about 52C.
The crossrnatch includes:
a. A 37C phase.
b. An antigiobulin serum phase.
A room temperature phase (saline).
d. All of the above.
After addition of sensitized cells to a negative crossmatch, the antiglobulin test
must be repeated if there is:
b. No agglutination.
If there is no time to determine the patient's blood group, group 0 Rh-negative
blood may be given if:
a. Most of the plasma is removed.
b. An emergency release form is signed.
All the above.