MCQs From Clinical Anatomy By SNELL ed. 9
Some questions is based on Figure of Book (NOT added in this pool)
CHAPTER # 1 (Thorax)
Match the valves of the heart on the left with the areas on the chest wall where they are best
heard with a stethoscope on the right.
A. Second right intercostals space
B. Lower end of sternum
C. Fifth left intercostal space valve 3.5 in. (9 cm) from the midline
D. Second left intercostal space
E. Sixth left intercostal space 3.5 in. (9 cm) from the midline
25. Tricuspid valve B
26. Mitral valve C
27. Pulmonary valve D
28. Aortic valve A
Match the structures on the left with the regions of the heart on the right. (Each lettered
region may be used more than once.)
A. Left ventricle
B. Right ventricle
C. Left atrium
D. Right atrium
E. Right side of membranous part of interventricular septum
29. Moderator band B
30. Sinuatrial node D
31. Bicuspid valve A
32. Aortic vestibule A
Match the structures on the left with the appropriate sympathetic ganglia on the right.
A. T1–4
B. T5–9
C. T12
D. T10–11
E. None of the above
33. Lowest splanchnic nerve C
34. Sympathetic innervations to the head and neck A
35. Lesser splanchnic nerve D
36. Greater splanchnic nerve B
MULTIPLE-CHOICE QUESTIONS
Select the best answer for each question.
37. The following statements concerning the right tracheobronchial lymph nodes are correct
except which?
1
A. They could become enlarged as the result of invasion of malignant tumor cells from the middle
Page
lobe of the right lung.
, MCQs From Clinical Anatomy By SNELL ed. 9
B. They could become enlarged as the result of invasion of malignant tumor cells from the inferior
lobe of the right lung.
C. They are situated alongside the trachea and the bronchi.
D. They drain lymph from the lower end of the trachea.
E. They do not drain lymph from the heart.
38. The following structure(s) may press against the esophagus during the passage of a
barium meal except which?
A. Left ventricle
B. Left principal bronchus and aorta
C. Margins of the esophageal opening in the diaphragm
D. Muscular fibers of the lower end of the pharynx
E. Left atrium
39. The following statements concerning coarctation (narrowing) of the aorta are correct
except which?
A. The third to the eleventh posterior intercostal arteries have a diminished blood flow.
B. The first and second posterior intercostal arteries will have a diminished blood flow.
C. The narrowing of the aorta lies just proximal, opposite, or distal to the site of attachment of the
ligamentum arteriosum.
D. The narrowing takes place after birth.
E. The condition is thought to result from contraction of ductus arteriosus muscle tissue.
40. The following statements concerning an intercostals space are correct except which?
A. The anterior intercostal arteries of the lower five intercostals spaces are branches of the
musculophrenic artery.
B. The sensory fibers in the lower five intercostals nerves supply the skin of the lateral thoracic and
anterior abdominal walls.
C. The posterior intercostal arteries of the lower nine spaces are branches of the thoracic aorta.
D. Throughout an intercostal space, the intercostals nerves and blood vessels lie close to the upper
border of the lower rib.
E. The intercostal nerves and blood vessels run between the internal and the innermost intercostals
muscles.
41. The following statements concerning the positions of thoracic structures at different
phases of respiration are correct except which?
A. The trachea bifurcates opposite the manubriosternal angle in the midrespiratory position.
B. On full inspiration, the lower margin of the left lung could extend down the midclavicular line to
the eighth costal cartilage.
C. The lower margin of the right lung in the midclavicular line could cross the sixth rib in the
midrespiratory position.
D. The apex of the heart can usually be felt in the sixth left intercostal space in the midrespiratory
position.
E. On full expiration the right dome of the diaphragm may extend up as far as or beyond the upper
border of the fifth rib.
42. The following statements concerning the heart are correct except which?
2
A. The first sound of the heart is lub and is produced by the contraction of the ventricles and the
Page
closure of the tricuspid and mitral valves.
, MCQs From Clinical Anatomy By SNELL ed. 9
B. The second shorter sound of the heart is dup, which is produced by the sharp closure of the
aortic and pulmonary valves.
C. The pulmonary valve has two semilunar cusps.
D. The left atrium lies posterior to the right atrium.
E. The apex beat of the heart is best felt by asking the patient to sit up and lean forward.
43. The following statements concerning the structure of the heart are correct except which?
A. The trabeculae carneae are internal surface structures of both the left and the right ventricles.
B. The pericardial cavity is the potential space between the fibrous and the serous pericardia.
C. The coronary arteries are functional end arteries.
D. The sinuatrial node is supplied by the right and sometimes the left coronary artery.
E. The four pulmonary veins open through the posterior wall of the left atrium and there are no
valves.
44. The following statements regarding the innervation of thoracic structures are correct
except which?
A. The lung and visceral pleura are innervated by the autonomic nerves and are not sensitive to
sensations of temperature, touch, and pressure.
B. The motor innervation of the diaphragm is provided by the third, fourth, and fifth cervical spinal
nerves and by the lower six intercostal nerves.
C. The sensory nerve supply to the mucous membrane of the lower part of the trachea is from the
vagus and the recurrent laryngeal nerves.
D. The nerve supply of the pericardium is the phrenic nerves.
E. The sinuatrial node is supplied by sympathetic and parasympathetic nerves via the cardiac
plexuses.
45. The following statements concerning thoracic structures are correct except which?
A. The carina is the name given to the site of bifurcation of the trachea.
B. The ligamentum arteriosum is the remains of the ductus arteriosus.
C. The ductus arteriosus is formed from the sixth left pharyngeal arch.
D. The thymus lies in the middle mediastinum.
E. The thymus receives its arterial supply mainly from the internal thoracic arteries.
46. The following events occur on inhalation except which?
A. The diaphragm descends.
B. The external intercostal muscles contract.
C. The abdominal muscles contract and push the abdominal viscera cranially.
D. The ribs are raised.
E. The vertical dimension of the thoracic cavity increases.
47. When passing a needle through the chest wall and into the pleural cavity in the
midaxillary line, the following structures will be pierced except which?
A. The external intercostal muscle
B. The skin
C. The parietal pleura
D. The levator costarum
E. The internal intercostal muscle
3
Page
, MCQs From Clinical Anatomy By SNELL ed. 9
48. The following statements concerning the bronchopulmonary segments are correct
except which?
A. It is a subdivision of a lung lobe.
B. It is pyramidal in shape, with its apex toward the lung surface.
C. It is surrounded by connective tissue.
D. It has a segmental bronchus, a segmental artery, lymph vessels, and autonomic nerves.
E. When diseased, it can be removed surgically as a structural unit.
49. The following statements concerning the main bronchi are correct except which?
A. The right main bronchus is wider than the left main bronchus.
B. The right main bronchus is shorter than the left main bronchus.
C. The right main bronchus is more vertical in position than the left main bronchus.
D. The left main bronchus passes to the left in front of the esophagus.
E. The left main bronchus gives off the superior lobar bronchus before entering the hilum of the
lung.
50. The following statements concerning the diaphragm are correct except which?
A. The diaphragm is a thin musculotendinous sheet that can be ruptured by extreme pressure
applied from below.
B. On contraction, the diaphragm increases the intrathoracic pressure.
C. The right crus provides a sphincter-like mechanism for the esophagus.
D. On contraction, the diaphragm assists in the return of venous blood to the right atrium and of
lymph to the thoracic duct.
E. When viewed from in front, the central tendon of the diaphragm lies behind the xiphisternal joint.
51. The following statements concerning the lungs are correct except which?
A. Each lung is very elastic, and should the thoracic cavity be opened by a stab wound, the lung
shrinks to one third or less in volume.
B. The cardiac notch lies in the lower lobe of the left lung.
C. The visceral pleura covering each lung lines the fissures that are situated between the lobes.
D. The apex of each lung extends up into the root of the neck and lies anterior to the lower roots of
the brachial plexus.
E. The bronchi, connective tissue, and visceral pleura of the lungs are supplied by the bronchial
arteries.
52. With aging, the following detrimental changes occur in the thorax except which?
A. The ribs and the costal cartilages become more rigid.
B. The elastic tissue in the lungs tends to degenerate.
C. The manubriosternal joint becomes more mobile.
D. The thoracic and the abdominal muscles tend to atrophy.
E. The xiphoid process becomes ossified.
53. The following anatomic events occur at the level of the sternal angle (angle of Louis)
except which?
A. The right and the left pulmonary arteries enter the lungs.
B. The right recurrent laryngeal nerve arises from the right vagus nerve.
C. The trachea bifurcates.
4
D. The ascending aorta becomes continuous with the arch of the aorta.
Page
E. The second costal cartilages articulate with the sternum.
Some questions is based on Figure of Book (NOT added in this pool)
CHAPTER # 1 (Thorax)
Match the valves of the heart on the left with the areas on the chest wall where they are best
heard with a stethoscope on the right.
A. Second right intercostals space
B. Lower end of sternum
C. Fifth left intercostal space valve 3.5 in. (9 cm) from the midline
D. Second left intercostal space
E. Sixth left intercostal space 3.5 in. (9 cm) from the midline
25. Tricuspid valve B
26. Mitral valve C
27. Pulmonary valve D
28. Aortic valve A
Match the structures on the left with the regions of the heart on the right. (Each lettered
region may be used more than once.)
A. Left ventricle
B. Right ventricle
C. Left atrium
D. Right atrium
E. Right side of membranous part of interventricular septum
29. Moderator band B
30. Sinuatrial node D
31. Bicuspid valve A
32. Aortic vestibule A
Match the structures on the left with the appropriate sympathetic ganglia on the right.
A. T1–4
B. T5–9
C. T12
D. T10–11
E. None of the above
33. Lowest splanchnic nerve C
34. Sympathetic innervations to the head and neck A
35. Lesser splanchnic nerve D
36. Greater splanchnic nerve B
MULTIPLE-CHOICE QUESTIONS
Select the best answer for each question.
37. The following statements concerning the right tracheobronchial lymph nodes are correct
except which?
1
A. They could become enlarged as the result of invasion of malignant tumor cells from the middle
Page
lobe of the right lung.
, MCQs From Clinical Anatomy By SNELL ed. 9
B. They could become enlarged as the result of invasion of malignant tumor cells from the inferior
lobe of the right lung.
C. They are situated alongside the trachea and the bronchi.
D. They drain lymph from the lower end of the trachea.
E. They do not drain lymph from the heart.
38. The following structure(s) may press against the esophagus during the passage of a
barium meal except which?
A. Left ventricle
B. Left principal bronchus and aorta
C. Margins of the esophageal opening in the diaphragm
D. Muscular fibers of the lower end of the pharynx
E. Left atrium
39. The following statements concerning coarctation (narrowing) of the aorta are correct
except which?
A. The third to the eleventh posterior intercostal arteries have a diminished blood flow.
B. The first and second posterior intercostal arteries will have a diminished blood flow.
C. The narrowing of the aorta lies just proximal, opposite, or distal to the site of attachment of the
ligamentum arteriosum.
D. The narrowing takes place after birth.
E. The condition is thought to result from contraction of ductus arteriosus muscle tissue.
40. The following statements concerning an intercostals space are correct except which?
A. The anterior intercostal arteries of the lower five intercostals spaces are branches of the
musculophrenic artery.
B. The sensory fibers in the lower five intercostals nerves supply the skin of the lateral thoracic and
anterior abdominal walls.
C. The posterior intercostal arteries of the lower nine spaces are branches of the thoracic aorta.
D. Throughout an intercostal space, the intercostals nerves and blood vessels lie close to the upper
border of the lower rib.
E. The intercostal nerves and blood vessels run between the internal and the innermost intercostals
muscles.
41. The following statements concerning the positions of thoracic structures at different
phases of respiration are correct except which?
A. The trachea bifurcates opposite the manubriosternal angle in the midrespiratory position.
B. On full inspiration, the lower margin of the left lung could extend down the midclavicular line to
the eighth costal cartilage.
C. The lower margin of the right lung in the midclavicular line could cross the sixth rib in the
midrespiratory position.
D. The apex of the heart can usually be felt in the sixth left intercostal space in the midrespiratory
position.
E. On full expiration the right dome of the diaphragm may extend up as far as or beyond the upper
border of the fifth rib.
42. The following statements concerning the heart are correct except which?
2
A. The first sound of the heart is lub and is produced by the contraction of the ventricles and the
Page
closure of the tricuspid and mitral valves.
, MCQs From Clinical Anatomy By SNELL ed. 9
B. The second shorter sound of the heart is dup, which is produced by the sharp closure of the
aortic and pulmonary valves.
C. The pulmonary valve has two semilunar cusps.
D. The left atrium lies posterior to the right atrium.
E. The apex beat of the heart is best felt by asking the patient to sit up and lean forward.
43. The following statements concerning the structure of the heart are correct except which?
A. The trabeculae carneae are internal surface structures of both the left and the right ventricles.
B. The pericardial cavity is the potential space between the fibrous and the serous pericardia.
C. The coronary arteries are functional end arteries.
D. The sinuatrial node is supplied by the right and sometimes the left coronary artery.
E. The four pulmonary veins open through the posterior wall of the left atrium and there are no
valves.
44. The following statements regarding the innervation of thoracic structures are correct
except which?
A. The lung and visceral pleura are innervated by the autonomic nerves and are not sensitive to
sensations of temperature, touch, and pressure.
B. The motor innervation of the diaphragm is provided by the third, fourth, and fifth cervical spinal
nerves and by the lower six intercostal nerves.
C. The sensory nerve supply to the mucous membrane of the lower part of the trachea is from the
vagus and the recurrent laryngeal nerves.
D. The nerve supply of the pericardium is the phrenic nerves.
E. The sinuatrial node is supplied by sympathetic and parasympathetic nerves via the cardiac
plexuses.
45. The following statements concerning thoracic structures are correct except which?
A. The carina is the name given to the site of bifurcation of the trachea.
B. The ligamentum arteriosum is the remains of the ductus arteriosus.
C. The ductus arteriosus is formed from the sixth left pharyngeal arch.
D. The thymus lies in the middle mediastinum.
E. The thymus receives its arterial supply mainly from the internal thoracic arteries.
46. The following events occur on inhalation except which?
A. The diaphragm descends.
B. The external intercostal muscles contract.
C. The abdominal muscles contract and push the abdominal viscera cranially.
D. The ribs are raised.
E. The vertical dimension of the thoracic cavity increases.
47. When passing a needle through the chest wall and into the pleural cavity in the
midaxillary line, the following structures will be pierced except which?
A. The external intercostal muscle
B. The skin
C. The parietal pleura
D. The levator costarum
E. The internal intercostal muscle
3
Page
, MCQs From Clinical Anatomy By SNELL ed. 9
48. The following statements concerning the bronchopulmonary segments are correct
except which?
A. It is a subdivision of a lung lobe.
B. It is pyramidal in shape, with its apex toward the lung surface.
C. It is surrounded by connective tissue.
D. It has a segmental bronchus, a segmental artery, lymph vessels, and autonomic nerves.
E. When diseased, it can be removed surgically as a structural unit.
49. The following statements concerning the main bronchi are correct except which?
A. The right main bronchus is wider than the left main bronchus.
B. The right main bronchus is shorter than the left main bronchus.
C. The right main bronchus is more vertical in position than the left main bronchus.
D. The left main bronchus passes to the left in front of the esophagus.
E. The left main bronchus gives off the superior lobar bronchus before entering the hilum of the
lung.
50. The following statements concerning the diaphragm are correct except which?
A. The diaphragm is a thin musculotendinous sheet that can be ruptured by extreme pressure
applied from below.
B. On contraction, the diaphragm increases the intrathoracic pressure.
C. The right crus provides a sphincter-like mechanism for the esophagus.
D. On contraction, the diaphragm assists in the return of venous blood to the right atrium and of
lymph to the thoracic duct.
E. When viewed from in front, the central tendon of the diaphragm lies behind the xiphisternal joint.
51. The following statements concerning the lungs are correct except which?
A. Each lung is very elastic, and should the thoracic cavity be opened by a stab wound, the lung
shrinks to one third or less in volume.
B. The cardiac notch lies in the lower lobe of the left lung.
C. The visceral pleura covering each lung lines the fissures that are situated between the lobes.
D. The apex of each lung extends up into the root of the neck and lies anterior to the lower roots of
the brachial plexus.
E. The bronchi, connective tissue, and visceral pleura of the lungs are supplied by the bronchial
arteries.
52. With aging, the following detrimental changes occur in the thorax except which?
A. The ribs and the costal cartilages become more rigid.
B. The elastic tissue in the lungs tends to degenerate.
C. The manubriosternal joint becomes more mobile.
D. The thoracic and the abdominal muscles tend to atrophy.
E. The xiphoid process becomes ossified.
53. The following anatomic events occur at the level of the sternal angle (angle of Louis)
except which?
A. The right and the left pulmonary arteries enter the lungs.
B. The right recurrent laryngeal nerve arises from the right vagus nerve.
C. The trachea bifurcates.
4
D. The ascending aorta becomes continuous with the arch of the aorta.
Page
E. The second costal cartilages articulate with the sternum.
