Cardiovascular System Quiz

What is the primary function of the cardiovascular system?

• To deliver oxygen and nutrients

• To produce hormones

• To digest food

• To regulate body temperature

How many chambers does the heart have?

• Four

• Two

• Three

• Five

What is the weight range of a normal heart in men?

• 230 to 280 grams

• 280 to 340 grams

• 200 to 250 grams

• 340 to 400 grams

Which layer of the heart is responsible for pumping blood?

• Endocardium

• Pericardium

• Epicardium

• Myocardium

What type of blood does the right atrium receive?

• Carbon dioxide-rich blood

• Nutrient-rich blood

• Deoxygenated blood

• Oxygenated blood

Which valve is located between the left atrium and left ventricle?

• Tricuspid valve

• Bicuspid valve

• Pulmonary semilunar valve

• Aortic semilunar valve

What is the role of the pericardium?

• To regulate blood pressure

• To produce red blood cells

• To protect the heart

• To pump blood

Which chamber of the heart pumps deoxygenated blood to the lungs?

• Left ventricle

• Right ventricle

• Right atrium

• Left atrium

What is the main artery that carries oxygenated blood from the heart to the body?

• Pulmonary artery

• Inferior vena cava

• Aorta

• Superior vena cava

What separates the right atrium from the right ventricle?

• Pulmonary semilunar valve

• Aortic semilunar valve

• Tricuspid valve

• Bicuspid valve