Medical Technologist Test Blood Banking

Question 1

A patient with blood type A negative can receive red blood cells from which donor types?

Accepted Answer

A– and O– only

Answer

A+ and O+ only

Answer

Any type if crossmatch negative

Answer

AB– and A– only

Question 2

The Coombs test (direct antiglobulin test) detects which of the following?

Accepted Answer

IgG or complement bound to red blood cells in vivo

Answer

Free antibodies in serum

Answer

ABO blood group antigens

Answer

Platelet antibodies

Question 3

Which blood product provides fibrinogen and factor VIII for treating hemorrhagic conditions?

Accepted Answer

Cryoprecipitate

Answer

Packed red blood cells

Answer

Platelet concentrate

Answer

Fresh frozen plasma

Question 4

Universal donor red blood cells are of which blood type?

Accepted Answer

Type O negative

Answer

Type A positive

Answer

Type AB positive

Answer

Type O positive

Question 5

What is the storage temperature for packed red blood cells?

Accepted Answer

1–6°C

Answer

–80°C

Answer

–18°C or colder

Answer

20–24°C

Question 6

Which antibody is naturally occurring, IgM class, and causes immediate hemolysis in ABO-incompatible transfusions?

Accepted Answer

Anti-A and anti-B isohemagglutinins

Answer

Anti-D

Answer

Anti-K (Kell)

Answer

Anti-Jka