Understanding Blood and Its Functions

What is the primary function of red blood cells in the human body?

• To fight infections

• To transport oxygen

• To produce antibodies

• To aid in blood clotting

Which type of blood cell is primarily responsible for the immune response?

• Red blood cells

• White blood cells

• Platelets

• Plasma cells

How do platelets contribute to the clotting process?

• By transporting oxygen

• By forming a plug at the site of injury

• By producing antibodies

• By carrying nutrients

Which blood type is considered the universal donor?

• Type A

• Type B

• Type AB

• Type O

What is the significance of blood type compatibility in transfusions?

• It determines the color of blood

• It prevents immune reactions

• It affects blood pressure

• It influences blood flow speed

Why is blood donation important for healthcare systems?

• It helps in diagnosing diseases

• It provides a critical supply for emergencies

• It increases blood pressure

• It reduces cholesterol levels

Which component of blood is primarily involved in transporting nutrients and waste products?

• Red blood cells

• White blood cells

• Plasma

• Platelets

What is the main role of hemoglobin in red blood cells?

• To fight infections

• To carry oxygen

• To form clots

• To produce hormones

Which blood type is considered the universal recipient?

• Type A

• Type B

• Type AB

• Type O

What is the primary function of white blood cells?

• To transport oxygen

• To fight infections

• To aid in digestion

• To carry carbon dioxide