1.The heart is located in which cavity?
A) Cranial cavity
B) Thoracic cavity
C) Abdominal cavity
D) Pelvic cavity
Answer: B
2. The wall of the heart is made up of how many layers?
A) 1
B) 2
C) 3
D) 4
Answer: C (Epicardium, Myocardium, Endocardium)
3. The strongest and thickest chamber of the heart is:
A) Right atrium
B) Left atrium
C) Right ventricle
D) Left ventricle
Answer: D
4. The valve between the right atrium and right ventricle is called:
A) Mitral valve
B) Aortic valve
C) Tricuspid valve
D) Pulmonary valve
Answer: C
5. The heart receives oxygenated blood from which vessel?
A) Pulmonary vein
B) Pulmonary artery
C) Superior vena cava
D) Inferior vena cava
Answer: A
6. The pacemaker of the heart is:
A) AV node
B) SA node
C) Bundle of His
D) Purkinje fibers
Answer: B
7. The valve that prevents backflow into the left ventricle is:
A) Tricuspid valve
B) Pulmonary valve
C) Mitral valve
D) Aortic valve
Answer: D
8. The outer covering of the heart is called:
A) Endocardium
B) Pericardium
C) Myocardium
D) Septum
Answer: B
9. The right ventricle pumps blood into:
A) Aorta
B) Pulmonary artery
C) Pulmonary vein
D) Coronary sinus
Answer: B
10. The structure that separates the two ventricles is called:
A) Auricle
B) Interatrial septum
C) Interventricular septum
D) Tricuspid valve
Answer: C
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