Chapter 4: ABO and Hh Blood Group Systems

Which ABO gene is an amorph?

• A

• B

• H

• O

What is the immunodominant sugar of the H antigen?

• D-galactose

• D-glucose

• L-fucose

• N-acetyl-D-galactosamine

Where are ABO antigens found in the RBC membrane?

• Sugars

• Proteins

• Nucleotides

• Glycolipids

Type 2 substances are found:

• Gut lining

• Plasma

• Secretions

• RBCs

An individual who is hh and sese is classified as:

• Bombay

• Para-Bombay

• A

• O

ABO antibodies are more commonly:

• IgG

• IgA

• IgM

• IgE

When antibodies are identified by combining the unknown plasma with known ABO RBCs, this is referred to as:

• Forward Typing

• Reverse Typing

• ABO Discrepancies

• Mixed Field Agglutination

A 2-month old infant will have what type of ABO discrepancy?

• Missing/weak reaction in forward

• Missing/weak reaction in reverse

• Unexpected positive in forward

• Unexpected positive in reverse

Mixed field agglutination commonly occurs when a patient has A, B, or AB blood and receives type_____ blood.

• O

• H

• h

• D

In an emergency, a patient should receive type _____ plasma if their ABO type cannot be determined.

• O

• A

• B

• AB