CARDIOVASCULAR SYSTEM

What is the function of the heart?

• a) To filter blood

• b) To produce hormones

• c) To pump blood throughout the body

• d) To store oxygen

The heart is located within the _______ cavity and superior to the diaphragm.

Which of the following is NOT a layer of the heart wall?

• a) Pericardium

• b) Myocardium

• c) Endocardium

• d) Valves

The structures located between the atria and ventricles are called the _______ valves.

• atrial

• ventricular

• atrioventricular

• mitral

The right heart pumps deoxygenated blood to the lungs, while the left heart pumps _______ blood into the aorta.

What is the medical term for the upper chambers of the heart?

• a) Ventricles

• b) Atria

• c) Valves

• d) Arteries

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

• a) Tricuspid valve

• b) Pulmonary valve

• c) Mitral valve

• d) Aortic valve

The specialized area in the right atrium that acts as the heart's natural pacemaker is called the _______ node.

Which of the following is NOT a type of blood vessel?

• a) Artery

• b) Vein

• c) Capillary

• d) Lymph node

Blood pressure is recorded with two numbers, with the upper number called the _______ pressure and the lower number called the diastolic pressure.