Blood Components Quiz

What are the main components of blood?

• Plasma, hormones, enzymes

• Plasma, white blood cells, red blood cells, platelets

• Plasma, nutrients, gases

• Plasma, antibodies, white blood cells

What is the main function of red blood cells?

• Blood clotting

• Carrying oxygen and carbon dioxide

• Immune response

• Transporting nutrients

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What is the function of platelets in the blood?

• Transporting nutrients

• Carrying oxygen

• Blood clotting

• Fighting infections

How can plasma be isolated from the other components of blood?

• By adding a reagent that separates the cells

• By heating the blood to a certain temperature

• By spinning a tube of whole blood at high speeds in a centrifuge

• By cooling the blood until the plasma separates

What is the role of white blood cells in the blood?

• They are responsible for carrying oxygen and carbon dioxide.

• They are responsible for blood clotting.

• They are part of the immune system and function in immune response.

• They transport nutrients and hormones.

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What is the main component of plasma?

• Ions

• Proteins

• Water

• Nutrients

Which protein plays a particularly important role in maintaining blood pH and osmotic balance?

• Hemoglobin

• Albumin

• Antibodies

• Hormones

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What is the function of hormones in the plasma?

• They act as long-distance signals.

• They carry oxygen to tissues.

• They dissolve in water.

• They promote blood clot formation.

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Why do red blood cells not contain mitochondria or a nucleus when mature?

• To increase the surface area-to-volume ratio

• To maximize the amount of oxygen delivered to tissues

• To recognize and neutralize pathogens

• To promote blood clot formation

How is the production of red blood cells regulated?

• By the hormone hemoglobin

• By the hormone erythropoietin

• By the enzyme that converts carbon dioxide into bicarbonate

• By the size of the red blood cells

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