Cairns Base Hospital Emergency Department Part 1 FACEM MCQs 1 Concerning blood supply of the body wall A Venous drainage follows the arteries B Anterior structures are supplied by the intercostal arteries C The thoracoepigastric vein joins the superior and inferior epigastric veins D the thoracoepigastric vein becomes prominent in inferior vena cava obstruction E The caput Medusae is commonly found in normal individuals 2 Concerning dermatomes of the body wall A The inguinal region is supplied by no B The nipple is supplied by T6 C The umbilicus is supplied by L1 D The infraclavicular region is supplied by C2 E The supraclavicular region is supplied by C1 3 Concerning joints of the thoracic wall A The manubriosternal joint is a secondary cartilaginous joint B All midline joints are of the primary cartilaginous type C The sternoclavicular joint is a typical synovial joint D All sternocostal joints are synovial joints st E The 1 sternocostal joint is a secondary cartilaginous joint 4 Concerning the intercostal space A The neurovascular bundle lies between the external and internal intercostals muscles B The intercostal vein is typically the most superior structure in the neurovascular bundle C All intercostals spaces are supplied by posterior intercostal arteries posteriorly st D The internal thoracic artery supplies the 1 4 intercostal spaces only E Intercostal nerves have no cutaneous supply 5 Concerning the diaphragm A The central tendon is at the level of L1 B The left dome rises to the ih intercostal space in full expiration C The right crus arises from the anterolateral surfaces of L1-S D The lateral arcuate ligament is a thickening of psoas fascia E The median arcuate ligament is formed from medial fibres of both crura Anatomy - thorax Cairns Base Hospital Emergency Department Part 1 FACEM MCQs 6 The aortic opening of the diaphragm A is at the level of T12 B lies behind the medial arcuate ligament C only transmits the aorta and thoracic duct D transmits the left phrenic nerve E transmits the hemiazygous vein 7 The oesophageal opening of the diaphragm A is at the level ofT12 B transmits branches of the right gastric artery C transmits both phrenic nerves D lies 2.Scm left of the midline E does not transmit lymphatics 8 The following structures pass through the caval opening of the diaphragm A left phrenic nerve B hemiazygous vein C right phrenic nerve D greater splanchnic nerve E sympathetic trunk 9 The following structures are related to the angle of Louis A Ligamentum arteriosum B Lower border of the body of T2 th C 4 costal cartilage D Left common carotid artery E Right recurrent laryngeal nerve 10 The arch of the Aorta A commences at the level of the lower border of T2 B passes backwards over the right main bronchus C lies to the left of the body of T4 D is not crossed by the vagus nerve E lies to the right of the oesophagus Anatomy - thorax Cairns Base Hospital Emergency Department Part 1 FACEM MCQs 11 The brachiocephalic veins d A are formed behind the 2n sternocostal joints B are formed from the external jugular and subclavian veins C lie behind the 1st part of the subclavian artery D drain into the inferior vena cava E lie anterior to pretracheal fascia 12 The trachea A commences at the level of C4 B terminates at the angle of Louis C is superficial at the sternal notch D enters the thoracic cavity left of midline E passes immediately posterior to the left brachiocephalic vein 13 The phrenic nerve A is most commonly derived from C2/3/4 B emerges from behind scalene anterior C passes in front of the subclavian vein D passes behind the root of the lung E contains only motor fibres 14 The left vagus nerve A runs immediately lateral to the trachea B passes in front of the root of the left lung C gives rise to the left recurrent laryngeal nerve at the level of the left subclavian artery D gives terminal branches to the cardiac plexus E does not supply the trachea 15 The right coronary artery A arises from the posterior aortic sinus B passes in the atrioventricular groove between right atrium and right ventricle C supplies the sino-atrial node in 40% of hearts D gives a left marginal branch E is the main supply of the left ventricle Anatomy - thorax Cairns Base Hospital Emergency Department Part 1 FACEM MCQs 16 Concerning the blood supply of the heart A The sinoatrial node is supplied by the left coronary artery in 60% B The left anterior descending artery gives rise to the left obtuse marginal artery C The left circumflex anatomises with the posterior interventricular branch of the right coronary artery D The great cardiac vein drains directly into the right atrium E The middle cardiac vein accompanies the right coronary artery in the anterior atrioventricular groove 17 The oesophagus A commences at the posterior surface of the tongue B passes through the oesophagus at the level of T12 C is always posterior to the descending aorta D is the most anterior structure in the posterior mediastinum E is supplied by the inferior thyroid artery in its upper part 18 The contents of the posterior mediastinum include the following EXCEPT A Oesophagus B Sympathetic trunk C Azygous vein D Hemiazygous vein E Thoracic duct 19 Concerning the surface markings of the pleura A The pleura projects 2.5cm above the middle third of the clavicle nd th B The pleura may overlap between the 2 and 4 costal cartilages h C The left pleural margin crosses the mid clavicular line at the level of the 6t costal cartilage D Right and left pleura cross the mid axillary line over the lih rib E The lower border of the pleura is at the level of L2 20 Concerning the surface markings of the lung h A The hilum lies behind the 3'd and 4t costal cartilages B The border of the left lung lies at the level of the 8th costal cartilage in the mid clavicular line h C The oblique fissure approximates with the line of the i rib h D The right horizontal fissure is at the level of the 6t costal cartilage Anatomy - thorax .