1. Which are the main components of the circulatory system? (10p)
The heart
The lungs
The blood vessels
The blood
2. What path does the blood follow in the pulmonary circulation? (10p)
Left ventricle - aorta - lungs - systemic veins - right atrium
Right atrium - systemic veins - lungs - aorta - left ventricle
Right ventricle - pulmonary arteries - lungs - pulmonary veins - left atrium
Right ventricle - aorta - lungs - systemic veins - left atrium
3. During the ventricular systole / atrial diastole, which valves are closed? (10p)
The tricuspid valve
The aortic valve
The mitral valve
The pulmonary valve
4. Which two components of the heart's electrical conduction system allow further propagation of the signal from the atrioventricular node to the ventricles? (10p)
The His bundle
The sinoatrial node
The Purkinje fibers
The heart does not have an electrical conduction system
5. Refer to the exhibit. Which of the following correctly matches the missing words? (60p)
1-ventricle / 2-lungs / 3-pulmonary / 4-vena cava / 5-sinoatrial node
1-pulmonary / 2-tricuspid valve / 3-aortic / 4-tissues / 5-vena cava
1-aortic / 2-tissues / 3-pulmonary / 4-lungs / 5-aortic valve
1-pulmonary / 2-lungs / 3-pulmonary / 4-tissues / 5-vena cava