Blood Typing Quiz

According to Model 1, how many blood types are found in the human population?

• 4

• 3

• 2

• 1

What distinguishes a type A red blood cell from a type B red blood cell?

• Absence of B antigen

• Presence of A antigen

• Absence of A antigen

• Presence of B antigen

What distinguishes a type A red blood cell from a type O red blood cell?

• Presence of B antigen

• Absence of B antigen

• Presence of A antigen

• Absence of A antigen

How many different types of antibodies are shown in Model 1?

• 3

• 2

• 1

• 4

Define agglutination according to Model 1.

• Transformation of red blood cells

• Clumping of red blood cells

• Destruction of red blood cells

• Production of red blood cells

What antigens are self-antigens for a person with type A blood?

• A and B

• A and O

• B and O

• A only

What antigens are nonself-antigens for a person with type A blood?

• A only

• A and B

• A and O

• B and O

Why would hospitals and blood banks need to be absolutely certain that blood is typed correctly before being used for transfusions?

• To avoid allergic reactions

• To reduce blood wastage

• To prevent agglutination

• To ensure compatibility

Why are persons with type O blood called universal donors?

• They have no antigens

• They have all antigens

• They have both A and B antigens

• They have both anti-A and anti-B antibodies

Why can people with type AB blood receive any blood type?

• They have all antigens

• They have both anti-A and anti-B antibodies

• They have both A and B antigens

• They have no antigens