Blood Bank Week 2 Review Questions

Name the antigen: H antigen + Fucose + N-acetylgalactose

A. A

B. B

C. H

D. AB

A. A

True or False: ABO antigens are on multiple organs of the body, not just red cells

True

Mom is blood type O, Dad is blood type A. Child 1 is blood type O. Child 2 is blood type O. What genotype is Dad?

A. OO

B. AA

C. AO

D. AB

C. AO

What is the blood type for the patient with the following serological results?

Anti-A = 0

Anti-B = 4+

Anti A,B = 4+

A1 Cell = 2+

B Cell = 0

A. A

B. B

C. AB

D. O

B. B

Select all that apply: What type of RBC products can a person receive who has the following blood type?

Anti-A = 3+

Anti-B = 3+

Anti-A,B = 2+

A1 Cell = 0

B Cell = 0

Answer Choices: A, B, AB, O

A, B, AB, O

Does the following have a discrepancy (Yes or No)?

Anti-A = 4+

Anti-B = 0

Anti-A,B = 4+

A1 Cell = 0

B Cell = 4+

No

Forward type = Type A

Reverse type = Type A

Does the following have a discrepancy (Yes or No)?

Anti-A = 0

Anti-B = 0

Anti-A,B = 0

A1 Cell = 1+

B Cell = 0

Yes

Forward type = O

Reverse type = B

Does the following have a discrepancy (Yes or No)?

Anti-A = 0

Anti-B = 4+

Anti-A,B = 4+

A1 Cell = 0

B Cell = 4+

Yes

Forward type = B

Reverse type = A

Which gene determines whether Lewis a or Lewis b antigen is expressed on the cell?

A. Se

B. H

C. Le

D. A/B

A. Se

Which sugar is added to precursor substance to make Lea antigen?

A. N-acetylgalactosamine

B. D-Galactose

C. Fucose

D. N-acetylglucosamine

C. Fucose

Match the gene to the substance it transforms:

FUT1, FUT2, FUT3

Se, H, Type 2 Chain, Type 1 Chain

FUT1 = Type 2 Chain

FUT2 = Type 1 Chain

FUT3 = H

Interpret the blood type results:

Anti-A = 0

Anti-B = 4+

Anti-A,B = 4+

A1 Cell = 4+

B Cell = 0

Answer Choices: B, A, O, AB

Type B

A patient with hh, LeLe, sese A genes will express which antigens on their red cells?

A. A, H, Lea

B. Lea only

C. A and H only

D. A, H, Lea, Leb

B. Lea only

Which of the following patients could be a Bombay patient?

Pt. A:

Anti-A = 4+, Anti-B = 4+, Anti-D = 4+, A1 Cell = 0, B Cell = 0

Pt. B:

Anti-A = 4+, Anti-B = 0, Anti-D = 4+, A1 Cell = 0, B Cell = 4+

Pt. C:

Anti-A = 0, Anti-B = 0, Anti-D = 4+, A1 Cell = 4+, B Cell = 4+

Pt. D:

Anti-A = 0, Anti-B = 0, Anti-D = 0, A1 Cell = 0, B Cell = 0

Pt. C:

Anti-A = 0, Anti-B = 0, Anti-D = 4+, A1 Cell = 4+, B Cell = 4+

Anti-A1 Lectin is QC'd every day of use. It is used today. What 2 reagents are the best choices for positive and negative controls?

A. A1 & B Cells

B. B Cells & O Cells

C. Anti-A & Anti-B

D. A1 Cells & A2 Cells

D. A1 Cells & A2 Cells

Which of the following would NOT be a reasonable interpretation of these serological results?

Anti-A = 4+

Anti-B = 3+

Anti-A,B = 4+

A1 Cell = 2+

B Cell = 4+

A. A1B with Anti-I

B. A2B with Anti-A1

C. AB2 with Anti-B1

D. O with Cold Agglutinin

C. AB2 with Anti-B1