Which of the following is not part of the cardiovascular system?

• capillary
• artery
• spleen
• vein

The aorta carries:

• oxygenated blood to the body
• deoxygenated blood to the lungs
• deoxygenated blood to the heart
• oxygenated blood to the lungs

Which of the following statements regarding the heart is NOT true?

• The heart is located in the mediastinum of the chest.
• The heart is a muscular pump.
• The heart is composed of smooth muscle fibers.
• The heart has four chambers.

The inner layer of the heart is the:

• epicardium
• myocardium
• pericardium
• endocardium

Which layer of the heart is the muscle responsible for contracting in order to pump blood?

• epicardium
• myocardium
• pericardium
• endocardium

The mitral valve is also called the _________ valve.

• pulmonary
• tricuspid
• bicuspid
• aortic

Which heart valve has three cusps and is located in the right side of the heart?

• tricuspid
• mitral
• pulmonary
• aortic

Blood exits the left side of the heart into the:

• pulmonary vein
• pulmonary artery
• aorta
• vena cavae

The pulmonary artery:

• carries blood away from the lungs
• carries blood away from the heart
• carries blood to the ventricles
• carries blood to the body

The smallest blood vessels are called:

• veins
• arteries
• venules
• capillaries