Blood and its Components

Blood transports everything that must be carried from one place to another in the body. Which of the following is NOT a function of blood?

• Transport of nutrients

• Regulation of body temperature

• Synthesis of vitamin C

• Removal of waste products

Why is blood classified as a tissue?

• Because it is a collection of similar cells that perform a particular function

• Because it is a liquid with no cellular components

• Because it only transports oxygen

• Because it is a type of muscle

What is the liquid part of the blood called?

• Hemoglobin

• Plasma

• Serum

• Cytoplasm

Provide the scientific name for red blood cell.

What percentage of blood is plasma?

• 45%

• 55%

• 90%

• 70%

Which blood cell type is the most abundant?

• Leukocytes

• Erythrocytes

• Thrombocytes

• Monocytes

Hemoglobin contains which metal?

• Iron

• Copper

• Zinc

• Magnesium

A disorder that results in too many RBCs is called what?

• Anemia

• Leukemia

• Polycythemia

• Thrombocytopenia

What is the function of leukocytes?

• Blood clotting

• Oxygen transport

• Phagocytosis and fighting infections

• Carrying nutrients

What is diapedesis in the context of white blood cells (WBCs)?

• The process of blood cell formation

• The movement of WBCs out of the bloodstream to sites of infection

• The production of antibodies by WBCs

• The lifespan of a WBC