LU 3 Heart 1 & 2 SCAQ Practice
1. What forms the apex of the heart?
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
2. Which of the following structures is not part of the pericardium?
- A) Fibrous pericardium
- B) Serous pericardium
- C) Epicardium
- D) Endocardium
3. The superior border of the heart extends from the:
- A) 1st to 2nd costal cartilage
- B) 2nd to 3rd costal cartilage
- C) 3rd to 4th costal cartilage
- D) 4th to 5th costal cartilage
4. Which nerve supplies the fibrous pericardium?
- A) Vagus nerve
- B) Phrenic nerve
- C) Sympathetic trunk
- D) Brachial plexus
5. The left atrioventricular opening is controlled by the:
- A) Tricuspid valve
- B) Pulmonary valve
- C) Aortic valve
- D) Mitral valve
6. Which of the following is true about the right atrium?
- A) It contains the bicuspid valve
- B) It has a thicker wall compared to the left atrium
- C) It has the fossa ovalis on its left wall
- D) It receives blood from the pulmonary veins
7. What is the function of the chordae tendineae?
- A) To anchor the heart to the chest wall
- B) To prevent backflow of blood into the atria
- C) To initiate contraction of the ventricles
- D) To supply blood to the myocardium
8. The left ventricle pumps blood into the:
- A) Pulmonary artery
- B) Superior vena cava
- C) Aorta
- D) Right ventricle
9. Which surface of the heart is formed mainly by the left ventricle?
- A) Anterior surface
- B) Inferior surface
- C) Posterior surface
- D) Lateral surface
10. Which of the following is true about the anterior interventricular groove?
- A) It separates the right and left atria
- B) It is located on the posterior surface of the heart
- C) It contains the left coronary artery
- D) It separates the right and left ventricles
11. The infundibulum is found in the:
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
12. Which of the following structures is sensitive to pain?
- A) Visceral layer of serous pericardium
- B) Myocardium
- C) Parietal layer of serous pericardium
- D) Endocardium
13. Which vein opens into the right atrium?
- A) Pulmonary vein
- B) Coronary sinus
- C) Inferior mesenteric vein
- D) Left gastric vein
14. The anterior surface of the heart is also known as the:
- A) Diaphragmatic surface
- B) Base
- C) Sternocostal surface
- D) Pulmonary surface
15. Which artery supplies the right atrium?
- A) Left coronary artery
- B) Right coronary artery
- C) Circumflex artery
- D) Anterior interventricular artery
16. The pericardial cavity contains:
- A) Air
- B) Serous fluid
- C) Blood
- D) Lymph
17. Which structure is found in the left atrium?
- A) Crista terminalis
- B) Trabeculae carneae
- C) Pectinate muscles
- D) Openings of pulmonary veins
18. What is the approximate location of the apex of the heart?
- A) 5th left intercostal space
- B) 3rd right intercostal space
- C) 2nd left intercostal space
- D) 6th right intercostal space
19. Which layer of the heart wall is the thickest?
- A) Endocardium
- B) Myocardium
- C) Epicardium
- D) Pericardium
20. The right border of the heart is formed mainly by the:
- A) Left atrium
- B) Right atrium
- C) Left ventricle
- D) Right ventricle
21. What structure is located at the base of the heart?
- A) Apex
- B) Atria
- C) Ventricles
- D) Interventricular septum
22. The fibrous pericardium is:
- A) A smooth muscle layer
- B) An outermost tough connective tissue layer
- C) A part of the myocardium
- D) Lining the inner surface of the heart chambers
23. Which of the following structures is found in the right ventricle?
- A) Bicuspid valve
- B) Aortic valve
- C) Pulmonary valve
- D) Tricuspid valve
24. The inferior border of the heart is located at the level of the:
- A) 2nd intercostal space
- B) 3rd intercostal space
- C) 4th intercostal space
- D) 5th intercostal space
25. The left pulmonary surface of the heart is mainly formed by the:
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
26. Which of the following structures is located in the interventricular septum?
- A) Papillary muscles
- B) Chordae tendineae
- C) Bundle of His
- D) Trabeculae carneae
27. The right atrium receives blood from the:
- A) Aorta
- B) Pulmonary artery
- C) Superior vena cava
- D) Left atrium
28. Which of the following arteries originates from the left ventricle?
- A) Pulmonary artery
- B) Right coronary artery
- C) Left coronary artery
- D) Aorta
29. The posterior interventricular groove is found on the:
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Posterior surface of the heart
30. Which part of the heart is most closely related to the esophagus?
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
31. The mitral valve is also known as the:
- A) Tricuspid valve
- B) Pulmonary valve
- C) Aortic valve
- D) Bicuspid valve
32. What is the function of the papillary muscles?
- A) To anchor the heart to the chest wall
- B) To prevent the backflow of blood into the atria
- C) To initiate contraction of the ventricles
- D) To supply blood to the myocardium
33. Which structure is located in the floor of the right atrium?
- A) Opening of the superior vena cava
- B) Opening of the pulmonary veins
- C) Opening of the inferior vena cava
- D) Right auricle
34. The base of the heart is formed mainly by the:
- A) Left atrium
- B) Right atrium
- C) Left ventricle
- D) Right ventricle
35. Which surface of the heart is formed mainly by the right ventricle?
- A) Anterior surface
- B) Inferior surface
- C) Posterior surface
- D) Lateral surface
36. The serous fluid found in the pericardial cavity serves to:
- A) Nourish the heart muscles
- B) Reduce friction during heartbeats
- C) Prevent infection
- D) Conduct electrical impulses
37. Which of the following structures is not found in the left ventricle?
- A) Papillary muscles
- B) Trabeculae carneae
- C) Chordae tendineae
- D) Moderator band
38. The right atrioventricular opening is guarded by the:
- A) Bicuspid valve
- B) Pulmonary valve
- C) Aortic valve
- D) Tricuspid valve
39. The pulmonary veins carry blood to the:
- A) Left atrium
- B) Right atrium
- C) Left ventricle
- D) Right ventricle
40. The structure that separates the left atrium from the right atrium is the:
- A) Interventricular septum
- B) Atrial septum
- C) Crista terminalis
- D) Atrioventricular septum
1. What forms the apex of the heart?
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
2. Which of the following structures is not part of the pericardium?
- A) Fibrous pericardium
- B) Serous pericardium
- C) Epicardium
- D) Endocardium
3. The superior border of the heart extends from the:
- A) 1st to 2nd costal cartilage
- B) 2nd to 3rd costal cartilage
- C) 3rd to 4th costal cartilage
- D) 4th to 5th costal cartilage
4. Which nerve supplies the fibrous pericardium?
- A) Vagus nerve
- B) Phrenic nerve
- C) Sympathetic trunk
- D) Brachial plexus
5. The left atrioventricular opening is controlled by the:
- A) Tricuspid valve
- B) Pulmonary valve
- C) Aortic valve
- D) Mitral valve
6. Which of the following is true about the right atrium?
- A) It contains the bicuspid valve
- B) It has a thicker wall compared to the left atrium
- C) It has the fossa ovalis on its left wall
- D) It receives blood from the pulmonary veins
7. What is the function of the chordae tendineae?
- A) To anchor the heart to the chest wall
- B) To prevent backflow of blood into the atria
- C) To initiate contraction of the ventricles
- D) To supply blood to the myocardium
8. The left ventricle pumps blood into the:
- A) Pulmonary artery
- B) Superior vena cava
- C) Aorta
- D) Right ventricle
9. Which surface of the heart is formed mainly by the left ventricle?
- A) Anterior surface
- B) Inferior surface
- C) Posterior surface
- D) Lateral surface
10. Which of the following is true about the anterior interventricular groove?
- A) It separates the right and left atria
- B) It is located on the posterior surface of the heart
- C) It contains the left coronary artery
- D) It separates the right and left ventricles
11. The infundibulum is found in the:
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
12. Which of the following structures is sensitive to pain?
- A) Visceral layer of serous pericardium
- B) Myocardium
- C) Parietal layer of serous pericardium
- D) Endocardium
13. Which vein opens into the right atrium?
- A) Pulmonary vein
- B) Coronary sinus
- C) Inferior mesenteric vein
- D) Left gastric vein
14. The anterior surface of the heart is also known as the:
- A) Diaphragmatic surface
- B) Base
- C) Sternocostal surface
- D) Pulmonary surface
15. Which artery supplies the right atrium?
- A) Left coronary artery
- B) Right coronary artery
- C) Circumflex artery
- D) Anterior interventricular artery
16. The pericardial cavity contains:
- A) Air
- B) Serous fluid
- C) Blood
- D) Lymph
17. Which structure is found in the left atrium?
- A) Crista terminalis
- B) Trabeculae carneae
- C) Pectinate muscles
- D) Openings of pulmonary veins
18. What is the approximate location of the apex of the heart?
- A) 5th left intercostal space
- B) 3rd right intercostal space
- C) 2nd left intercostal space
- D) 6th right intercostal space
19. Which layer of the heart wall is the thickest?
- A) Endocardium
- B) Myocardium
- C) Epicardium
- D) Pericardium
20. The right border of the heart is formed mainly by the:
- A) Left atrium
- B) Right atrium
- C) Left ventricle
- D) Right ventricle
21. What structure is located at the base of the heart?
- A) Apex
- B) Atria
- C) Ventricles
- D) Interventricular septum
22. The fibrous pericardium is:
- A) A smooth muscle layer
- B) An outermost tough connective tissue layer
- C) A part of the myocardium
- D) Lining the inner surface of the heart chambers
23. Which of the following structures is found in the right ventricle?
- A) Bicuspid valve
- B) Aortic valve
- C) Pulmonary valve
- D) Tricuspid valve
24. The inferior border of the heart is located at the level of the:
- A) 2nd intercostal space
- B) 3rd intercostal space
- C) 4th intercostal space
- D) 5th intercostal space
25. The left pulmonary surface of the heart is mainly formed by the:
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
26. Which of the following structures is located in the interventricular septum?
- A) Papillary muscles
- B) Chordae tendineae
- C) Bundle of His
- D) Trabeculae carneae
27. The right atrium receives blood from the:
- A) Aorta
- B) Pulmonary artery
- C) Superior vena cava
- D) Left atrium
28. Which of the following arteries originates from the left ventricle?
- A) Pulmonary artery
- B) Right coronary artery
- C) Left coronary artery
- D) Aorta
29. The posterior interventricular groove is found on the:
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Posterior surface of the heart
30. Which part of the heart is most closely related to the esophagus?
- A) Right atrium
- B) Left atrium
- C) Right ventricle
- D) Left ventricle
31. The mitral valve is also known as the:
- A) Tricuspid valve
- B) Pulmonary valve
- C) Aortic valve
- D) Bicuspid valve
32. What is the function of the papillary muscles?
- A) To anchor the heart to the chest wall
- B) To prevent the backflow of blood into the atria
- C) To initiate contraction of the ventricles
- D) To supply blood to the myocardium
33. Which structure is located in the floor of the right atrium?
- A) Opening of the superior vena cava
- B) Opening of the pulmonary veins
- C) Opening of the inferior vena cava
- D) Right auricle
34. The base of the heart is formed mainly by the:
- A) Left atrium
- B) Right atrium
- C) Left ventricle
- D) Right ventricle
35. Which surface of the heart is formed mainly by the right ventricle?
- A) Anterior surface
- B) Inferior surface
- C) Posterior surface
- D) Lateral surface
36. The serous fluid found in the pericardial cavity serves to:
- A) Nourish the heart muscles
- B) Reduce friction during heartbeats
- C) Prevent infection
- D) Conduct electrical impulses
37. Which of the following structures is not found in the left ventricle?
- A) Papillary muscles
- B) Trabeculae carneae
- C) Chordae tendineae
- D) Moderator band
38. The right atrioventricular opening is guarded by the:
- A) Bicuspid valve
- B) Pulmonary valve
- C) Aortic valve
- D) Tricuspid valve
39. The pulmonary veins carry blood to the:
- A) Left atrium
- B) Right atrium
- C) Left ventricle
- D) Right ventricle
40. The structure that separates the left atrium from the right atrium is the:
- A) Interventricular septum
- B) Atrial septum
- C) Crista terminalis
- D) Atrioventricular septum