Heart

Which of the following describes the heart?

• It is the same size as your lungs.

• It sits entirely on the left side of the thoracic cavity.

• It is enclosed within the peritoneal cavity.

• It is surrounded by the visceral pericardium.

What separates the right and left chambers of the heart?

• bicuspid valve

• tricuspid valve

• SA node

• septum

What is the muscular layer of the heart called?

• epicardium

• myocardium

• endocardium

• mesocardium

What is the inner layer of the heart called that forms the valve flaps and is continuous with blood vessels?

• epicardium

• myocardium

• endocardium

Which chamber pumps blood to the lungs?

• right atrium

• left atrium

• right ventricle

• left ventricle

Which chamber pumps blood to the body?

• right atrium

• left atrium

• right ventricle

• left ventricle

Which area(s) would have deoxygenated blood?

• right atrium

• left atrium

• pulmonary vein

• two of these

Which chamber(s) would have oxygenated blood?

• right atrium + left ventricle

• left atrium + right ventricle

• right atrium + right ventricle

• left atrium + left ventricle

Which organ is first to receive oxygenated blood from the aorta?

• lungs

• heart

• stomach

• brain

Which vessels supply the heart's muscular wall with blood?

• pulmonary veins

• left ventricle

• coronary arteries

• brachial arteries