Thorax MCQ’s
1. Three large openings in the diaphragm are at levels of which of the
following thoracic vertebrae
a. T8,T9,T10
b. T7,T8,T9
c. T8,T10,T12
d. T9,T10,T12
2. All of the following structures course through the inlet of thorax in the
median plane, except
a. Trachea
b. Oesophagus
c. Thymus
d. Left recurrent laryngeal nerve
3. Supra pleural membrane is attached to
a. Anterior aspects of clavicle
b. Upper border of scapula
c. Inner margin of 1st rib & its cartilage
d. Transverse process of 6th cervical vertebra
4. Which spinal nerve is affected in the thoracic inlet syndrome
a. 7th cervical
b. 8th cervical
c. 1st thoracic
d. 2nd thoracic
5. Which one of the following joints is a primary cartilaginous joint
a. Costovertebral
b. Costotransverse
c. First costochondral
d. Manubriosternal
6. Which of the following ribs articulates with one vertebra only
a. 1st
b. 2nd
c. 3rd
d. 4th
7. Which of the following is not a content of the pulmonary ligament
a. Loose areolar tissue
b. Lymphatics
c. Accessory bronchial artery
d. Pulmonary vein
8. Most characteristic feature of the thoracic vertebrae is
a. The body is heart shaped
b. Spine is oblique
c. The body has costal facets
d. Vertebral foramen is smaller & circular
9. All the following structures are related to the neck of the 1st rib
anteriorly, except
a. Sympathetic trunk
b. Superior intercostal vein
c. Superior intercostal artery
d. Ventral rami of first thoracic nerve
10. Which posterior intercostal veins of left side drains into accessory
hemiazygos vein
a. 1st to 5th
b. 2nd to 4th
c. 9th to 11th
d. 5th to 8th
11. Parts of transverse thoracis are all, except
a. Subcostalis
b. Intercostalis intimi
c. Sternocostalis
d. Serratus posterior superior
For thoracocentesis, a resident inserted a needle near the lower border of
8th rib at the anterior axillary line and withdraws 15ml of fluid. The next day
during rounds the patient complained of tingling and numbness of the skin of
his chest from the level of 8th rib down towards the umbilicus on the right
side.
12. What should be the ideal site of needle insertion for
thoracocentesis?
a. Upper border of 8th intercostal space in the anterior axillary line
b. Upper border of 8th intercostal space in the midaxillary line
c. Lower border of 8th intercostal space in the midaxillary line
d. Lower border of 9th intercostal space in the midaxillary line
13. Why the patient is complained about tingling and numbness of
skin of his chest from the level of 8th rib down towards the umbilicus
on the right side?
a. 7th intercostal nerve damaged
b. 8th Intercostal nerve damaged
c. 9th Intercostal nerve damaged
d. 8th posterior Intercostal artery damaged
14. Regarding the intercostal nerve all the following are True,
EXCEPT:
a. 7th Intercostal nerve is typical
b. End by anterior cutanous nerve
c. Communicate with sympathetic trunk through rami communication
d. Located below the arteries
15. Regarding intercostal arteries all are false except
a. located superior to veins & nerves
b. musculophrenic artery will supply 7th to 9th intercostals spaces
c. all the posterior branches are from the aorta
d. all the anterior branches are from the internal thoracic
16. The effect of parasympathetic system of lungs are all except:
a. motor to bronchial muscle
b. Secretomotor to mucus glands of bronchial tree
c. Responsible for cough reflex
d. Causes broncho dilatation
17. A 3 year old child is sitting and playing with a small toy blocks,
he suddenly starts coughing violently, and gasping for breath.
Witnesses reporting they saw him put a block into his mouth just prior
to the episode. if the size of the block is smaller than secondary
bronchus. Where did the block likely to pass
a. larynx, trachea, right principal bronchus, posterior basal segment of
right lower lobe
b. larynx, trachea, left principal bronchus, superior segment of left
lower lobe
c. oropharynx, laryngopharynx, oesophagus, stomach
d. larynx, trachea, right principal bronchus, superior segment of right
lower lobe
18. A 62 year old patient of deep vein thrombosis in lower limb
develops sudden pulmonary embolism. Through which of the following
pairs of valves did the embolus travel leading to this condition?
a. Pulmonary>>> Right Atrioventricular
b. Aortic>>> Bicuspid Valve
c. Mitral>>>Aortic
d. Tricuspid>>> Pulmonary
19. Pericardiocentesis is performed on a patient with massive
pericardial effusion. The needle should be inserted into the pericardial
cavity through which of the following spaces?
a. In the angle between xiphoid process and left costal margin(left
costoxiphoid angle)
b. Right 5th intercostal space just lateral to the sternum
c. Left 5th intercostal space just medial to midclavicular line
d. In the angle between xiphoid process and right costal margin(right
costoxiphoid angle)
20. An adult man was stabbed on his upper left side of the chest. He
was taken to the casualty department of the hospital. The doctor noted
that the stab wound was in the left 3rd intercostal space close to the
sternum. What is the site of injury?
a. Pericardium and right atrium
b. Pericardium and Right ventricle
c. Pleura & Left lung
d. Pericardium and Left ventricle
21. A 15 year old has a history of rheumatic fever in childhood and
as a complication of that she develops valvular heart disease. The
valve which is primarily affected is mitral valve which has become
stenosed. Due to this, her left atrium has enlarged excessively and is
compressing a structure posterior to it. Which of the following
symptoms/ signs is likely to be seen in this patient?
a. Enlarged neck veins
b. Dyspnea
c. Dysphagia
d. Hoarseness of voice
22. A 10 year old boy had mild cough and
fever. The physician could feel the increased rate of his pulse, for chest
examination where the physician was able to feel the apex beat?
a. Left 5th intercostal space, 9cm from midsternal line, medial to
midclavicular line
b. Right 5th intercostal space, 9cm from midsternal line, medial to
midclavicular line
c. Left 5th intercostal space, 9cm from mid clavicular line
d. Left 3rd intercostal space, 9cm from midsternal line, medial to
midclavicular line
23. A 10 year old boy had mild cough and
fever. The physician could feel the increased rate of his pulse, but
could not hear the heartbeat on the left side of his chest. After some
thought, the physician was able to feel the heartbeat as well. What is
the condition?
a. Haemopericardium
b. Angina pectoris
c. Situs inversus
d. Cardiac tamponade
24. A 45 year old man complaints of severe
epigastric pain radiating to the left shoulder and arm, he complaints of
sweating, palpatations and collapsed sudenly. He was taken to
emergency department, ECG was taken and was diagnosed as a case
of myocardial infraction. Which is the most common vessel involved in
myocardial infraction?
a. Right coronary artery
b. Anterior interventricular artery
c. Circumflex artery
d. Posterior interventricular artery
25. A 49 Year old man with a history of
smoking with chest pain radiating to his left arm and jaw, sweating and
nausea. his blood pressure is low and investigations reveal infraction of
left surface, sterno costal and diaphragmatic surface of heart, and
damage to anterior aspects of inter ventricular septum. which artery is
most likely occluded in this case?
A. left anterior descending artery only
B. right coronary artery
C. circumflex artery only
D. left coronary artery
26. All are the following features of sinus
venarum, except?
a. Intervenous tubercle
b. Triangle of Koch
c. Musculi pectinate
d. Valve of coronary sinus
27. Right bundle branch is supplied by ?
a. Right coronary artery
b. Left coronary artery
c. Diagonal artery
d. Anterior interventricular artery
28. Mediastinal surface of left lung is related to
all of the following structures, except?
a. Right atrium
b. Oesophagus
c. Arch of aorta
d. Pulmonary trunk
29. All of the following are true, except
a. Oblique fissure permit the uniform expansion of lung
b. Lingula of the left lung corresponds to middle lobe of right lung
c. Horizontal fissure is present in both the lungs
d. Apex lies 2.5cm above the medial end of clavicle
30. All of the following are the contents of the
superior mediastinum, except?
a. Trachea
b. Descending aorta
c. Arch of aorta
d. Left brachiocephalic vein
31. Which of the following statement is
incorrect about mediastinal syndrome
a. Compression of superior vena cava----engorgement of veins of
upper half of the body
b. Compression of trachea----dyspnoea, cough
c. Compression of oesophagus---dysarthria
d. Compression of left recurrent laryngeal nerve---hoarseness of voice
32. Which is not a content of posterior
mediastinum
a. Oesophagus
b. Descending thoracic aorta
c. Azygos vein
d. Phrenic nerve
33. All of the following are true about the
transverse pericardial sinus, except:
a. It is a horizontal gap between arterial and venous end of heart tube
b. Anteriorly bounded by ascending aorta and pulmonary trunk
c. Posteriorly bounded by superior vena cava
d. On each side it opens into the pleural cavity
34. Which of the following is a tributary of the
right atrium
a. Superior vena cava
b. Inferior vena cava
c. Coronary sinus
d. All of the above
35. Which of the following is the branch of
ascending aorta
a. Brachiocephalic trunk
b. Left common carotid artery
c. Left subclavian artery
d. Right coronary artery
36. All are the tributaries of coronary sinus,
except
a. Great cardiac vein
b. Middle cardiac vein
c. Small cardiac vein
d. Anterior cardiac veins
37. Regarding the Arch of the aorta, the
incorrect statements is:
a. Located in superior mediastinum
b. Located below the brachiocephalic vein
c. Connected to the pulmonary trunk by ligamentum arteriosum
d. The Rt recurrent laryngeal nerves hocks around it
38. Which of the following is incorrect for the
constriction of oesophagus?
a. First constriction-15cm from incisor teeth
b. Second constriction- 22.5cm from the incisor teeth
c. Third constriction- 27.5cm from the incisor teeth
d. Fourth constriction – 45cm from the incisor teeth
39. Thoracic duct enter the abdomen through
which opening of the diaphragm
a. Oesophagus
b. Vena caval
c. Aortic
d. Retrosternal
40. All the following statement is correct,
except one
a. The right lymphatic duct drains-Right of chest wall
b. The right lymphatic duct drains- Right lung and right of the heart
c. The right lymphatic duct drains-Right side of head and neck
d. The right lymphatic duct drains-Liver
