Anatomy of the Heart Quiz

What is the average length of the heart?

• 20cm

• 15cm

• 12cm

• 10cm

Which anatomical region does the heart lie in?

• Cranial cavity

• Pelvis

• Thoracic cavity

• Abdomen

What separates the atria from the ventricles and contains the right coronary artery?

• Anterior interventricular sulcus

• Coronary sinus

• Atrioventricular sulcus

• Posterior interventricular sulcus

Which layer of the heart wall is responsible for the pumping action of the heart?

• Endocardium

• Myocardium

• Epicardium

• Pericardium

What is the function of the sinoatrial (SA) node?

• Regulates body temperature

• Regulates blood pressure

• Controls breathing rate

• Generates impulses to initiate heart contraction

What is the primary function of the ventricles in the heart?

• Regulate blood pressure

• Pump blood to the lungs and the rest of the body

• Generate impulses to initiate heart contraction

• Regulate body temperature

Which part of the heart receives deoxygenated blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the outermost layer of the heart wall called?

• Endocardium

• Myocardium

• Epicardium

• Pericardium