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Worksheetsabo rvrz typing; tube mtd
Total questions: 24
Worksheet time: 23mins
ABO Discrepancy in Reverse Typing
(a)
Incubating the patient serum with reagent A1 and B cells at RT for how many minutes as resolution
(a)
Autoimmune Disorders may weak the reaction of the reverse typing
(a)
An auto control and O cell control must always be tested concurrently with the reverse typing
(a)
What is the ideal centrifugation time in doing the reverse typing:
(a)
Immune antibodies:
Incompatible Transfusion
Naturally Occurring Antibodies
Incompatible pregnancies (HDN)
ABO antibodies:
Not appropriate to new Born Infant-Reverse Typing
Not normally present at birth
Develop 3-6 months after birth
Predominantly IgM and react at room temperature (20-24C)
The reverse typing in ABO detects:
(a)
Incompatible pregnancies happens in:
HDN
Erythroblastosis fetalis
Reverse Typing
(a)
In doing the reverse typing what is the specimen of choice
(a)
Significance of reverse typing:
(a)
Reagent:
(a)
The known A and known B cells for ABO Reverse typing came from the:
(a)
Segment from the blood bag type A:
(a)
Segment from blood bag type B
(a)
After the centrifugation of the tubes what would be the next step:
(a)
Blood Type O (Reverse Typing)
Known A / Known B = Positive
AB Cells = Positive
Blood Type A:
O cells = Positive
A cells = Negative
How many suspension drop/s are required for a tube?
(a)
How many serum drop/s are required for a tube?
(a)
Only used to check if the procedure is correct
(a)
Always negative for reverse typing
(a)
Always positive
(a)
