Blood and Vessels Quiz

What are the main components of blood?

• Red blood cells, white blood cells, platelets, and plasma

• Plasma, hemoglobin, leukocytes

• Hemoglobin, platelets, lymphocytes

• Blood cells, serum, fibrinogen

How many main blood types are there?

• 6

• 5

• 3

• 4

What is the structure of blood vessels?

• Tunica intima, tunica media, and tunica externa

• Tunica interior, tunica exterior, and tunica media

• Endothelium, epithelium, and mesothelium

• Arteries, veins, and capillaries

Which blood vessels carry oxygenated blood away from the heart?

• Coronary arteries

• Pulmonary arteries

• Hepatic arteries

• Renal arteries

What is the function of platelets in blood clotting?

• Platelets transport oxygen in the blood

• Platelets aid in digestion

• Platelets regulate blood pressure

• Platelets help in forming blood clots at the site of injury.

What is the role of red blood cells in the body?

• Producing bile

• Transporting oxygen and carbon dioxide

• Regulating body temperature

• Synthesizing hormones

What is the function of white blood cells in the immune system?

• White blood cells aid in vision

• White blood cells regulate body temperature

• White blood cells help in digestion

• The function of white blood cells in the immune system is to fight off infections and foreign invaders.

What is the most common blood type in the world?

• O positive

• B negative

• AB positive

• A negative

What is the rarest blood type?

• AB negative

• B positive

• A negative

• O positive

What is the purpose of capillaries in the circulatory system?

• To facilitate the exchange of nutrients, oxygen, and waste products between the blood and tissues.

• To store excess blood

• To regulate body temperature

• To produce hormones