PASS
ACE YOUR EXAMS WITH CONFIDENCE
Regarding the skeleton of the thorax
A. The floating ribs are ribs 8-12
B. A typical rib consists of all of the following: head, a neck, a tubercle, and a shaft with
its costal groove
C. The most typical rib is rib 1
D. The sternaI angIe marks the articulation of rib 3
E. A line through the sternal angle bisects the disc between vertebrae T2 and T3 -
Answer- A typical rib consists of all of the following: head, a neck, a tubercle, and a
shaft with its costal groove
Regarding the thoracic waII:
A. The subcostal muscles are best developed in the upper part of the thorax
B. The innermost intercostals are often regarded as parts of the external intercostal
muscles
C. The anterior intercostal membrane is the membranous portion of the internal
intercostal muscle
D. The anterior intercostal arteries are branches of the internal thoracic arteries
E. The intercostal nerves are the posterior rami of the 12 thoracic nerves - Answer-
The anterior intercostal arteries are branches of the internal thoracic arteries
The conducting system of the heart comprises:
A. The sinuatrial node, His bundle, right and left branches
B. The sinuatrial node, atrioventricular node, His and Her bundle, superior and inferior
crura
C. The atrioventricular and atrial nodes, His bundle, right and left crura
D. The sinuatrial node, atrioventricular node, His bundle, right and left branches, and
Purkinje fibers network
E. SA and AV node, His and Her bundle, anterior and posterior crura, Purkinje fibers
and network - Answer- The sinuatrial node, atrioventricular node, His bundle, right
and left branches, and Purkinje fibers network
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,Which of the following is NOT considered a group within the axillary lymph node chain?
A. Humeral nodes
B. Deep cervical nodes
C. Apical nodes
D. Central nodes
E. Pectoral nodes - Answer- Deep cervical nodes
Which of the following does NOT lie in the superior mediastinum?
A. Left recurrent laryngeal nerve
B. Right recurrent laryngeal nerve
C. Superior vena cava
D. Trachea
E. Oesophagus - Answer- Right recurrent laryngeal nerve
A tumour of the oesophagus in the thorax would, if enlarged, most likely affect which
part of the heart:
A. Right atrium
B. Left atrium
C. Left ventricle
D. Right ventricle
E. Both ventricles - Answer- Left atrium
A tumour or growth in the area of the ligamentum arteriosum would most likely involve
which of the following structures:
A. Right phrenic nerve
B. Left phrenic nerve
C. Left recurrent laryngeal nerve
D. Right recurrent laryngeal nerve
E. Right vagus nerve - Answer- Left recurrent laryngeal nerve
A sharp knife wound starting at and including the external intercostal muscle would
penetrate how many layers before hitting the lung tissue itself (include only tissue
layers):
A. Four
B. Five
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, C. Six
D. Seven
E. Eight - Answer- Six
The groove for the subclavian vein and artery are associated with:
A. First rib
B. Second rib
C. Third rib
D. Eighth rib
E. Clavicle - Answer- First rib
Which of the following is not associated with right atrium (or auricle)?
A. Fossa ovalis
B. Atrioventricular node
C. Opening of coronary sinus
D. Musculi pectinae
E. Trabeculae carnae - Answer- Trabeculae carnae
A knife wound into the heart, at the level of the fifth left intercostal space, near the
sternum, would penetrate all of the following layers except:
A. Fibrous pericardium
B. Serous visceral pericardium
C. Serous parietal pericardium
D. Visceral and parietal pleura
E. Pericardial cavity - Answer- Visceral and parietal pleura
Which of the following statements is NOT true of the thoracic duct?
A. Extends from upper abdomen to neck
B. Found in the posterior mediastinum
C. Associated with the cisterna chili
D. Drains both right and left sides of the thorax
E. Usually ascends to the right of thoracic aorta - Answer- Drains both right and left
sides of the thorax
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, The septamarginaltrabecula (moderator band) is associated with the:
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
E. Base of heart - Answer- Right ventricle
The posterior intercostal arteries are branches of:
A. The internal thoracic artery
B. The subclavian artery
C. The aorta
D. The highest intercostal artery
E. The thoraco-acromial artery - Answer- aorta
Which of the following is NOT true for the greater splanchnic nerve?
A. Consists of preganglionic sympathetic fibres
B. The fibres can be found in the posterior mediastinum
C. Branches arise from the 9th to the 10th sympathetic ganglion
D. Fibres come from the spinal cord via white rami without synapse
E. Fibres terminate in the celiac (prevertebral) ganglion - Answer- Branches arise from
the 9th to the 10th sympathetic ganglion
Select the correct statement
A. The breast directly overlies the pectoralis major and serratus anterior muscles
B. The superolateral quadrant of the breast is a frequent site of mammary tumours
C. The mammary gland is extremely vascular and supplied mainly by the superior
thoracic artery
D. The venous drainage of the breast indicates the nervous pathways
E. The lymphatic vessels of the areola and nipple drain lymph primarily toward the
rectus sheath - Answer- The superolateral quadrant of the breast is a frequent site
of mammary tumours
An esophageal aneurysm (marked dilation) would most likely affect which part of the
heart directly?
A. Left ventricle
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