Blood Groups and Transfusions

How many main blood groups are there in the ABO system?

• 2

• 4

• 6

• 8

Which blood type is known as the 'universal donor'?

• A

• B

• AB

• O

What blood type is considered the 'universal recipient'?

• A

• B

• AB

• O

What does it mean if your blood type is 'positive'?

• You have more blood cells

• Your blood type is more common

• Your blood contains the Rh factor

• Your blood does not contain the Rh factor

Why is it important to match blood types in transfusions?

• To match the color of the blood

• To prevent immune reactions

• To make the transfusion process faster

• To comply with medical regulations

What component of blood determines your blood type?

• White blood cells

• Platelets

• Plasma

• Antigens on red blood cells

Can a person with type O blood receive type AB blood?

• Yes, always

• No

• Only in emergencies

• Only if it's O negative

What is the Rh factor in blood?

• A type of white blood cell

• A protein found on red blood cells

• A plasma protein

• A type of blood platelet

In an emergency, if the blood type of the victim is unknown, which blood type is usually safe to administer?

• A positive

• B negative

• AB positive

• O negative

What can happen if someone receives the wrong blood type in a transfusion?

• Nothing; all blood types are compatible

• Temporary discomfort

• Severe immune reaction or death

• Increased blood pressure