Cardiovascular System Quiz

What is the primary function of the cardiovascular system?

• Transports nutrients, gases, and wastes around the body.

• Produces hormones for growth and development.

• Breaks down food into nutrients.

• Provides structural support to the body.

Which of the following is a major organ of the cardiovascular system?

• Heart

• Lungs

• Stomach

• Kidneys

What is one of the functions of blood?

• Transports oxygen, waste, and hormones

• Produces energy

• Stores vitamins

• Breaks down proteins

How does blood help in maintaining homeostasis?

• By storing calcium

• By regulating body temperature, pH, and fluid volume

• By producing red blood cells

• By digesting food

Which of the following is a protective function of blood?

• Prevents infection and blood loss

• Produces hormones

• Stores carbohydrates

• Synthesizes proteins

What type of tissue is blood classified as?

• Epithelial tissue

• Connective tissue

• Muscle tissue

• Nervous tissue

What are the suspended cells in blood known as?

• Plasma

• Matrix

• Formed elements

• Fibers

What is the fluid matrix of blood called?

• Cytoplasm

• Plasma

• Serum

• Lymph

What happens to plasma when a sample of whole blood is separated in a centrifuge?

• It rises to the top.

• It falls to the bottom.

• It stays in the middle.

• It mixes with red blood cells.

Which component of blood falls to the bottom when separated in a centrifuge?

• Plasma

• White Blood Cells

• Red Blood Cells

• Platelets