Human Heart Quiz

What is the protective layer of tissue covering the surface of the heart called?

• Myocardium

• Endocardium

• Pericardium

• Epicardium

Which layer of the heart is responsible for contractions?

• Epicardium

• Myocardium

• Endocardium

• Pericardium

Identify the layer of the heart that consists of thick, twisting bundles of cardiac muscle.

• Epicardium

• Myocardium

• Endocardium

• Pericardium

What is the primary function of the systemic circuit?

• Carries blood from the heart to the lungs and back

• Carries blood from the heart to the body tissues and back

• Carries blood from the heart to the digestive system and back

• Carries blood from the heart to the nervous system and back

What is the function of the systemic circuit?

• Delivers blood to the lungs

• Delivers blood to the heart

• Delivers blood to the body

• Delivers blood to the brain

What type of blood does the right side of the heart receive?

• Oxygenated

• Deoxygenated

• Mixed

• Arterial

What is the tip of the heart called?

• Aorta

• Apex

• Right Atrium

• Left Ventricle

How many flaps of tissue does the tricuspid valve have?

• 1

• 2

• 3

• 4

What is another name for the bicuspid valve?

• Tricuspid valve

• Mitral valve

• Aortic valve

• Pulmonary valve

What is the primary role of the atrioventricular (AV) valves?

• To regulate heart rate

• To prevent backflow of blood into the atria

• To oxygenate the blood

• To filter blood