Cardiovascular System Quiz

What is the primary function of the cardiovascular system?

• To produce hormones

• To transport nutrients, gases, and wastes around the body

• To digest food

• To control body temperature

Which of the following is NOT a major organ of the cardiovascular system?

• Heart

• Blood Vessels

• Blood

• Lungs

What is one of the functions of blood related to body regulation?

• Enhances muscle growth

• Regulates body temperature, pH, and fluid volume

• Increases bone density

• Improves cognitive function

Which function of blood is associated with protection?

• Transports nutrients

• Prevents infection and blood loss

• Supports nerve function

• Balances electrolytes

What does blood transport?

• Oxygen, waste, and hormones

• Carbon dioxide only

• Nutrients only

• Water only

What type of tissue is blood classified as?

• Epithelial tissue

• Connective tissue

• Muscle tissue

• Nervous tissue

What is the fluid matrix in blood called?

• Cytoplasm

• Hemoglobin

• Plasma

• Serum

What percentage of blood is plasma?

• 55%

• 44%

• 1%

• 10%

What is the term used to describe the percentage of red blood cells tested during a standard blood test?

• Hemoglobin

• Hematocrit

• Buffy coat

• Plasma level

What layer of blood contains white blood cells and platelets?

• Plasma

• Red blood cells

• Buffy coat

• Pellet