Understanding Blood Types

Which of the following is NOT one of the main blood types?

• Type C

• Type B

• Type A

• Type O

What determines if a blood type is positive or negative?

• The presence of an extra protein

• The amount of hemoglobin

• The color of the blood

• The size of red blood cells

Why is type O blood considered the universal donor?

• It can be given to any blood type

• It can only receive type O blood

• It has the most antibodies

• It is the rarest blood type

Which blood type can receive blood from any other type?

• Type A

• Type AB

• Type O

• Type B

What is one reason why different blood types exist?

• To improve oxygen transport

• To enhance blood clotting

• To increase blood pressure

• To provide disease resistance