Blood Bank Kahoot

Which antibody is NOT known to fix compliment?

anti-k

Which antithetical pair is NOT a high/low incidence pair?

Fya/Fyb

Which antibody is known to demonstrate dosage?

anti-Jka

Which antigen system is the entry point for Plasmodium falciparum?

Duffy

Secretor status is coded on chromosome 19, which of the following systems is also on this chromosome.

Luteran

Which antigen system is involved in urea transport in the cell?

Kidd

Which antibody is associated with paroxysmal cold hemoglobinuria?

anti-P

Which antibody classically gives mixed field agglutination reactions?

anti-Lub

Which antibody is considered a warm acting antibody?

anti-S

Which phenotype is NOT a null phenotype?

k-

Which antibody is most commonly associated with delayed hemolytic transfusion reactions?

anti-Jka

Which of the following phenotypes may make an allo-anti-U?

M+N-S-s-

Which phenotype is considered homozygous?

Jk(a-b+)

You cannot phenotype units for antigens that are <10% prevalent in the population. Which will you miss?

K

Which Duffy phenotype is prevalent in blacks but non existent in whites?

Fy(a-b-)

Which antigen of the Kell system is more frequent in blacks?

Jsa

Which antibody is produced by the p null phenotype?

anti-PP1Pk

Which antigen is created by the transferase that competes with Pk transferase?

H

Which antigen is NOT strongly expressed at birth in cord blood?

I

Which antigen activity is enhanced with treatment with enzymes?

Rh

Which antigen would NOT be found on glycophorin B?

M

Which red cell morphology occurs commonly when Kell antigens are missing from the red cell surface?

Acanthocytes

How many units should you test to find 2 compatible blood unit for a patient who has an anti-Fya?

5

How many units should you test to find 1 compatible blood unit for a patient who has an anti-K, anti-E, and anti-S?

3

Which antigen on the angiogram is NOT low incident?

f

Which of the following antibodies can be naturally occurring?

anti-P1

Choose the true statement for Anti-K.

Loses reactivity when tested with DTT treated cells

Chronic granulomatous disease is associated with a depression of the antigens in the ___ system.

Kell

Which of these lesser known antigens is not on the antigram because it is not clinically significant?

Ch

Using the antigram, what clinically significant antibodies ARE completely ruled out?

e, Fya, P1

Using the antigram, what is the phenotype of a cell you might choose to test to complete rule outs.

D-K+Jka-S+

Using the antigram, what antigen should you phenotype the patient cells for?

Jka

The antibody in this plasma is demonstrating what type of reactivity?

Dosage

A patient transfused 2 years ago had anti-Jkb. Now their screen is negative. What is the appropriate followup?

Phenotype donor for Jkb

An antibody that reacts with all cells on a panel except the auto control is referred to as

high incidence

An antibody's clinical significance refers to its ability to cause

Two of these -HDN and HTR

True or False: After neutralization procedures, the patient plasma mixed with antigen positive cell will not agglutinate.

True

For what purpose would you choose a heterozygous cell?

Positive control for phenotype

Which of the following stock antibodies would be an appropriate negative control after enzymatic treatment of a panel?

anti-fib

Which of the following is NOT a technique used to pretreat a red cell panel for complex antibody identification?

Hydatic cyst fluid

You are attempting to differentiate anti-S from anti-M which of the following information is most helpful?

The patient has an ABO discrepancy of extra reactions in the reverse type.