What are Blood Types?

The video explains the different blood types, focusing on the role of antigens and antibodies in the immune system. It covers the two main types of antigens, agglutinogens A and B, and how they determine blood type. The RH system is also discussed, highlighting its impact on blood type classification. The video concludes with an explanation of blood transfusion compatibility, emphasizing the importance of matching antigens and antibodies to prevent adverse reactions.

What role do antigens play in the immune system?

• They destroy foreign invaders directly.

• They act as markers identifying cells as part of the body.

• They are responsible for blood clotting.

• They produce antibodies to fight infections.

Which blood type has both A and B antigens?

• Type B

• Type O

• Type AB

• Type A

If a person has type O blood, what antibodies are present in their blood?

• A antibodies only

• B antibodies only

• Both A and B antibodies

• No antibodies

What does it mean if someone is RH positive?

• They have antibodies against RH antigens.

• They have RH antigens on their red blood cells.

• They can only receive RH negative blood.

• They have no RH antigens.

Why is it important to match blood types during transfusions?

• To prevent a serious immune reaction.

• To increase the blood's oxygen-carrying capacity.

• To make the blood flow faster.

• To ensure the blood is the same color.