CV System (L3)

Which of the following are the different walls of the heart?

• Pericardium

• Myocardium

• Epicardium

• Endocardium

Blood flow between the heart and the rest of the body is known as.....

• Systemic circulation

• Pulmonary ciruclation

• Ventricular circulation

• Aortic circulation

Blood flow between the heart and lungs is known as....

• Pulmonary circulation

• Systemic circulation

• Aortic circulation

• Venule circulation

Which of the following blood vessels has the thickest wall?

• Vena cava

• Pulmonary artery

• Aorta

• Pulmonary vein

Which of the following are the semi-lunar valves?

• Pulmonary

• Aortic

• Tricuspid

• Mitral

The tricuspid and mitral valve are found in between the

• Atriums and ventricles

• Atriums and veins

• Ventricles and arteries

• Ventricles and veins

Which of the following is the pacemaker of the heart?

• Sinoatrial node

• Atrioventricular node

• Atrioventricular bundle

• Ventricular myocardium

At which of the blood vessels does gaseous exchange take place?

• Capillaries

• Arterioles

• Venules

• Arteries