Quiz on Blood Components and Functions

What is the primary function of red blood cells?

• Fight infections

• Clot blood

• Transport oxygen

• Transport nutrients

Which component of blood is responsible for transporting hormones?

• White blood cells

• Red blood cells

• Plasma

• Platelets

What percentage of blood is composed of plasma?

• 60%

• 45%

• 50%

• 55%

Which type of white blood cell is primarily involved in allergic reactions?

• Eosinophils

• Monocytes

• Neutrophils

• Lymphocytes

What is the lifespan of a red blood cell?

• 90 days

• 60 days

• 120 days

• 30 days

Which blood group is known as the universal donor?

• A

• O

• AB

• B

What is the primary role of platelets in the blood?

• Clot blood

• Fight infections

• Transport oxygen

• Transport nutrients

Which plasma protein is essential for blood clotting?

• Electrolytes

• Globulins

• Albumin

• Fibrinogen

What is the main function of leukocytes?

• Transport nutrients

• Defend against infections

• Regulate temperature

• Transport gases

Which component of blood helps in regulating body temperature?

• Red blood cells

• Platelets

• White blood cells

• Plasma