BME312_lecture1_quiz1

What is the average weight of the human heart?

• 300gm

• 30gm

• 3000gm

• 500gm

Compare the myocardium thickness in the ventricular region and that in the atrial region. Which is thicker?

• Both have the same thickness.

• Atrial region is thicker.

• Ventricular region is thicker.

• None of the above.

Which blood vessels carry blood from the heart to the lungs and back to the heart, respectively?

• Pulmonary artery, and aorta.

• Vena cava, and pulmonary vein.

• Pulmonary artery, and pulmonary vein.

• Aorta, and vena cava.

Arteries carry ______ blood, with the exception of ___________.

Veins carry ______ blood, with the exception of __________.

• Deoxygenated; Pulmonary artery;

  Oxygenated;

  Pulmonary vein.

• Oxygenated; Pulmonary artery;

  Deoxygenated;

  Pulmonary vein.

• Deoxygenated; Pulmonary vein;

  Oxygenated;

  Pulmonary artery.

• Oxygenated; Pulmonary vein;

  Deoxygenated;

  Pulmonary artery.

When left atrium contract, left ventricle relax and right atrium contract, right ventricle relax, mitral valve _______ and tricuspid valve _______.

• Closes; closes.

• Opens; closes.

• Closes; opens.

• Opens; opens.