thorax multiple choice questions answers

Thorax Multiple Choice Questions Answers

Which of the following duct commences in the abdomen as an elongated lymph sac of the cisternachyli is Posted on November 8, 2012 by sravan | Leave a reply a) Thoracic duct b) Gartners duct c) Bile duct d) Hepatic duct

ANS : a

Posted in Thorax Multiple Choice Questions Answers.

A Potential Anastomosis seen in Posted on November 8, 2012 by sravan | Leave a reply a) Labial branch of facial artery b) Intercostal artery c) Coronary artery d) Arterial arcades of mesentery

ANS : c


If the circumflex artery gives off the posterior interventricular artery, then the arterial supply is called Posted on November 8, 2012 by sravan | Leave a reply a) Right dominance b) Left dominance c) Balanced dominance d) Undetermined

ANS : b


What is the uppermost structure in left lung hilum Posted on November 8, 2012 by sravan | Leave a reply a) Pulmonary artery b) Pulmonary vein c) Bronchial artery d) Left mainstem bronchus

ANS : a


All of the following characteristics differentiate a typical cervical vertebrae from a thoracic vertebrae except Posted on November 8, 2012 by sravan | Leave a reply a) Has a triangular vertebral canal b) Has foramen transversarium c) Superior articular facet is directed backwards & upwards. d) Has a large vertebral body

ANS : d

Difference between typical cervical & thoracic vertebral Posted on November 8, 2012 by sravan | Leave a reply a) Has a triangular body b) Has a foramen transversarium c) Superior articular facet directed backwards & upwards d) Has a large vertebral body

ANS : b


Most common site ofMorgagni Hernia is Posted on November 8, 2012 by sravan | Leave a reply a) Left Anterior b) Right posterior c) Right Anterior d) Left posterior

ANS : c


Structures that pass from thorax to abdomen behind the diaphragm are all except Posted on November 8, 2012 by sravan | Leave a reply a) Azygos vein b) Aorta c) Thoracic duct d) Greater splanchnic nerve

ANS : d


The last tributary of the azygos vein is Posted on November 8, 2012 by sravan | Leave a reply

a) Right superior intercostal vein b) Hemi-azygos vein c) Right bronchial vein d) Accessory azygos vein

ANS : c


The normal narrowing oesophagus is caused by Posted on November 8, 2012 by sravan | Leave a reply a) Azygos vein b) Hemiazygos vein c) Right main stem bronchus d) Left main stem bronchus

ANS : d

Consider the following statements Venacaval opening of the diaphragm situated at the level of T8 transmit Posted on November 8, 2012 by sravan | Leave a reply 1. Inferior vena cava 2. Vagus nerve 3. Branches of the right phrenic nerve 4. Thoracic duct

Which of the statements given above are correct ? a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 1 and 4 in the middle of the

ANS : c


Which of the following structures constitutes part of ventricle of heart ? Posted on November 8, 2012 by sravan | Leave a reply a) Auricle b) Crista terminalis c) Fossa ovalis d) Trabeculee carenae

ANS : d


The coronary sinus

Posted on November 8, 2012 by sravan | Leave a reply a) Lies in anterior part of the coronary sulcus b) Ends in right atrium c) Has venae cordis minimae as its tributaries d) Develops from right anterior cardinal vein

ANS : b


The following statements are true regarding the SA node except Posted on November 8, 2012 by sravan | Leave a reply a) Is located at the right border of the ascending aorta b) It contains specilized nodal cardiac muscle c) It is supplied by the atrial branches of the right coronary artery d) It initiates cardiac conduction

ANS : a


All of the following arteries are common sites of occlusion by a thrombus except Posted on November 8, 2012 by sravan | Leave a reply a) Anterior interventricular b) Posterior interventricular c) Circumflex d) Marginal

ANS : d


While doing thoracocentesis, it is advisable to introduce needle along Posted on November 8, 2012 by sravan | Leave a reply a) Upper border of the rib b) Lower border of the rib c) In the center of the intercostal space d) In anterior part of intercostal space

ANS : a


All of the following structures pass through the superior aperture of thorax except Posted on November 8, 2012 by sravan | Leave a reply a) Right recurrent laryngeal nerve b) Left common carotid artery

c) Left sympathetic trunk d) Thoracic duct

ANS : a


Anterior intercostal artery is branch of Posted on November 8, 2012 by sravan | Leave a reply a) Internal mammary artery b) Direct branch of aorta c) Posterior intercostal artery d) Subclavian artery

ANS : a


Superior intercostal artery is a branch of Posted on November 8, 2012 by sravan | Leave a reply a) Costocervical trunk b) Dorsal scapular artery e) Thyrocervical trunk d) Internal thoracic artery

ANS : a


Which of the following do NOT elevate the ribs Posted on November 8, 2012 by sravan | Leave a reply a) Serratus posterior superior b) Serratus posterior inferior c) External intercostals d) Levatores costarum

ANS : b

The root of the right lung does not lie behind which one of the following Posted on November 8, 2012 by sravan | Leave a reply a) Right atrium b) Right vagus c) Superior vena cava d) Phrenic nerve

ANS : b


Occlusion of the LAD will lead to infarction of which area Posted on November 8, 2012 by sravan | Leave a reply a) Posterior part of the interventricular septum b) Anterior wall of the left ventricle c) Lateral part of the heart d) Inferior surface of right ventricle

ANS : b


Which of the following is correct regarding hilum of right lung Posted on November 8, 2012 by sravan | Leave a reply a) Thoracic duct arches over it 252 b) Azygous vein arches over anterior surface c) Arch of aorta is related to its anterior surface d) Pressed by lingual

ANS : b


All of the following are true regarding heart except Posted on November 8, 2012 by sravan | Leave a reply a) Cornory sinus opens into Right atrium b) Vena cardie minimi drains into surface of heart c) SA node is supplied by Right coronary artery d) Left auricle projects anteriorly to overlap the infundibulam of the right ventricle

ANS : b


Which of the following is correct regarding SA node Posted on November 8, 2012 by sravan | Leave a reply a) It is supplied by left coronary artery mainly b) Generates an impulse at the rate of about 70/minK and initiates the heart beat c) Situated in left atrium *> d) Part of valves

ANS : b


The base of the heart is formed by the Posted on November 8, 2012 by sravan | Leave a reply a) Right atrium b) Left atriuml

c) Left ventricle d) Right ventricle

ANS : b


The arch of aorta lies in themediastinum Posted on November 8, 2012 by sravan | Leave a reply a) Posterior b) Anterior c) Middle d) Superior

ANS : d


Left superior intercostal vein drains into Posted on November 8, 2012 by sravan | Leave a reply a) Azygous vein b) Hemi azygous vein c) Innominate vein d) Left branchiocephalic vein

ANS : d


The esophagus Posted on November 8, 2012 by sravan | Leave a reply a) Begins at the upper border of cricoid carlotilage b) Runs a straight course throughout c) Is narrowest at its termination d) Is narrowest at its begining

ANS : d


The stability of the vertebral column is due to Posted on November 8, 2012 by sravan | Leave a reply a) Vertebra and vertebral discs b) Interspinous ligaments c) Paraspinal muscle d)All

ANS : d

Thorax Multiple Choice Questions Answers

Autonomic supply to S.A node is Posted on November 8, 2012 by sravan | Leave a reply a) Parasympathetic excitatory b) Sympathetic excitatory c) Both excitatory d) Both inhibitory

ANS : b


In angina pectoris, the pain radiating down the left arm is mediated by increased activity in afferent (sensory) fibres contained in the Posted on November 8, 2012 by sravan | Leave a reply a) Carotid branch of the glossopharyngeal nerve b) Phrenic nerve c) Vagus nerve and recurrent laryngeal nerve d) Thoracic splanchnic nerve

ANS : d


The middle cardiac vein is located at the Posted on November 8, 2012 by sravan | Leave a reply a) Anterior interventricular sulcus b) Posterior interventricular sulcus c) Posterior AV groove d) Anterior AV groove

ANS : b


The lumbar region of the vertebral column permits all of the following movements except Posted on November 8, 2012 by sravan | Leave a reply a) Flexion b) Extension c) Lateral flexion d) Rotation

ANS : d


The commonest variation in the arteries arising from the arch of aorta is Posted on November 8, 2012 by sravan | Leave a reply a) Absence of brachiocephalic trunk b) Left vertebral artery arising from the arch c) Left common carotid artery arising from brachiocephalic trunk d) Presence of retroesophageal subclavian artery

ANS : c


Bronchial artery supplies upto Posted on November 8, 2012 by sravan | Leave a reply a) Terminal bronchiole b) Respiratory bronchiole c) Alveolus d) Secondary bronchus

ANS : b


Structures passing through the aortic hiatus of diaphragm are Posted on November 8, 2012 by sravan | Leave a reply a) Aorta b) Azygos vein c) Hemiazygos vein d) Thoracic duct e) Sympathetic trunk

ANS : a,b,d


Branches of R.C.A. (Rt. Coronary artery) Posted on November 8, 2012 by sravan | Leave a reply a) Obtuse marginal (PG103) b) Acute marginal c) Posterior interventricular d) Diagonal.1 e) Posterior ventricular

ANS : b,c,e


True statements about esophageal hiatus Posted on November 8, 2012 by sravan | Leave a reply

a) Lies between two crura of diaphragm b) At the livel of Di2 vertebra c) Vagus nerve passes through it d) Lie in rt. crura of diaphrag e) Thoracic duct passes through it

ANS : c,d


Blood supply of lungs are Posted on November 8, 2012 by sravan | Leave a reply a) Pulmonary artery b) Pulmonary vein c) Bronchial artery d) Intercostal artery e) Internal thoracic artery

ANS : a,b,c

Pulmonary segments in middle lobe of right lung are Posted on November 8, 2012 by sravan | Leave a reply a) Medial b) Upper c) Lower d) Lateral e) Apical

ANS : a,d


Part of left lower lobe of lung except Posted on November 8, 2012 by sravan | Leave a reply a) Superior b) Anteromedial Basal c) Post, basal d) Medial basal

ANS : b


Esophagus enters through Posted on November 8, 2012 by sravan | Leave a reply a) Central tendon of diaphragm b) Along aortic opening

c) Muscular part of diaphragm d) Rt. crus

ANS : c


Which one of these muscles is not cut in postero lateral thoracotomy Posted on November 8, 2012 by sravan | Leave a reply a) Serratus anterior b) Pectoralis major c) Latissimus dorsi d) Intercostals

ANS : b


Length of trachea Posted on November 8, 2012 by sravan | Leave a reply a) 10-12 cm b) lcm-10cm c) 15 cm d) 22.5 cm

ANS : a


Sympathetic innervation of heart is by Posted on November 8, 2012 by sravan | Leave a reply a) T,-T, b) T2-T6 c) T3-T7 d) L,-L<

ANS : b


Which of the following is not a boundary of the Kochs triangle Posted on November 8, 2012 by sravan | Leave a reply a) Tendon of Todaro b) Limbus fosa ovalis c) Coronary sinus d) Tricuspid valve ring

ANS : b


The oblique sinus of pericardium lies Posted on November 8, 2012 by sravan | Leave a reply a) Behind the left atrium b) Behind the ascanding aorta c) Behind the SVC d) Anterior to pulmonary trunk

ANS : a


Oesophagus reveives blood sumply from all except Posted on November 8, 2012 by sravan | Leave a reply a) Interior Thyroid artery b) Inerior phrenic artery c) Internal mammary artery d) Bronchial artery

ANS : c


All are insert in the first rib except Posted on November 8, 2012 by sravan | Leave a reply a) Scalenus anterior b) Scalenus posterior c) Scalenus medius d) Supra pleural membrane

ANS : b

Which one of the following structure is NOT situated between the nect of the first rib and apex of the lung Posted on November 8, 2012 by sravan | Leave a reply a) First posterior intercostal vein b) superior intercostal artery c) Thoracic duct d) Sympathetic trunk

ANS : c


True about thoracic duct Posted on November 8, 2012 by sravan | Leave a reply

a) It passes through aortic opening of diaphragm b) It starts at the level of T3 vertebra c) It opens into superior vena cava d) It crosses from right to left at T5 vertebra

ANS : a,d


All open in right atrium except Posted on November 8, 2012 by sravan | Leave a reply a) Sup. vena cava b) Coronary sinus c) Great cardiac vein d) Inf. vena cava

ANS : c


AH the following veins drain into coronary sinus except Posted on November 8, 2012 by sravan | Leave a reply a) Great cardiac vein b) Middle cardiac vein c) Small cardiac vein d) Anterior cardiac vein

ANS : d


True ribs are Posted on November 8, 2012 by sravan | Leave a reply a) 7th rib b) 8th rib c) 10th rib d) 12th rib

ANS : a


Correct about right and left main bronchi is Posted on November 8, 2012 by sravan | Leave a reply a) Right bronchus is more vertical and broader than the left b) Right bronchus is more vertical and has a narrow calibre than the left c) Left bronchus is more vertical and broade than right d) Left bronchus is more vertical and narrower than ritght

ANS : a


Part of heart lying in front of oeophagus Posted on November 8, 2012 by sravan | Leave a reply a) Left Atrium b) Left ventricle c) Right ventricle d) Right Atrium

ANS : a


Bundle of HIS is Posted on November 8, 2012 by sravan | Leave a reply a) Highly susceptible to Ishaemia b) Mainly supplied by right coronary c) Mainly supplied by left coronary d) Has a dual blood supply

ANS : d


The most dependant part of the lung in the supine position Posted on November 8, 2012 by sravan | Leave a reply a) Upper apical b) Lower apical c) Basal d) Upper anterior

ANS : b


Sensory nerve supply of trachea is Posted on November 8, 2012 by sravan | Leave a reply a) Superior laryngeal nerve b) Recurrent laryngeal nerve c) Internal laryngeal nerve d) Both Recurrent laryngeal & Internal laryngeal nerve e) Glossopharyngeal nerve

ANS : b

One of the following ribs articulate directly with sternum except

Posted on November 8, 2012 by sravan | Leave a reply a) 2nd rib b) 5th rib c) 4th rib d) 8th rib

ANS : d


Lower border of costodiaphragmatic recess is at level of following Rib Posted on November 8, 2012 by sravan | Leave a reply a) 6th Rib b) 8th Rib c) lOth Rib d) 12th Rib

ANS : c


Structure arching over hilum of right lung is Posted on November 8, 2012 by sravan | Leave a reply a) Azygos vein b) Thoracic duct c) Superior vena cava d) Arch of aorta

ANS : a


In a cross section of thorax at T4, which is found Posted on November 8, 2012 by sravan | Leave a reply a) azygos vein b) branchiocephalic artery c) arch of aorta d) left subclavian

ANS : c


Great cardiac vein lies in Posted on November 8, 2012 by sravan | Leave a reply a) Anterior IV groove b) Posterior IV groove

c) Anterior AV groove d) Posterior AV groove

ANS : a,d


If a foreigh body enters in to the nose accidentally it enters Posted on November 8, 2012 by sravan | Leave a reply a) apical segment of rt. Lower lobe b) medial segment of rt. Middle lobe c) basal segment of It. Lung d) posterior segment of rt. Lower lobe

ANS : a


Coronary sinus opens into Posted on November 8, 2012 by sravan | Leave a reply a) inferior vena cava b) left atrium c) right atrium d) great cardiac vein

ANS : c


Rt middle lobe consists of which broncho pulmonary segment Posted on November 8, 2012 by sravan | Leave a reply a) Superior & inferior b) Medial and lateral c) Anterior and posterior d) Apical and lateral

ANS : b


Base of the heart is formed by Posted on November 8, 2012 by sravan | Leave a reply a) Right atrium b) Left atrium c) Both atria d) Left Ventricle

ANS : c


Atrioventricular node is supplied by Posted on November 8, 2012 by sravan | Leave a reply a) Left Coronary artery b) Right Coronary artery c) Left circumflex artery d) Left anterior descending artery

ANS : b

The following form the boundaries of Kochs triangle except Posted on November 8, 2012 by sravan | Leave a reply a) Tendon of Todaro b) Septal leaflet of tricuspid valve c) Orifice of coronary Sinus d) Origin of Left Coronary artery

ANS : d


The Inferior Surface of the heart is formed by Posted on November 8, 2012 by sravan | Leave a reply a) Right and Left Ventricle b) Right atrium and Ventricle c) Inter ventricular Septum d) IVC and Right Ventricle

ANS : a


Left coronary artery supplies all except Posted on November 8, 2012 by sravan | Leave a reply a) SA node b) Posterior 1/3 of septum c) Left ventricle d) Apex of heart

ANS : b


Which of the following about parietal pleura is correct Posted on November 8, 2012 by sravan | Leave a reply a) Supplied by vagus N b) Sensitive to pain

c) Derived from splanchnopleural layer of lateral plate mesoderm d) Extends upto T2

ANS : b


The base of the heart is related to Posted on November 8, 2012 by sravan | Leave a reply a) Azygos vein b) Tracheal bifurcation c) Descending aorta d) Central tendon of diaphragm

ANS : c


Length of Esophagus is Posted on November 8, 2012 by sravan | Leave a reply a) 10 cm b) 15 cm c) 25 cm d) 40cm

ANS : c


Narrowest part of the esophagus is Posted on November 8, 2012 by sravan | Leave a reply a) Cricopharynx b) Esophagogastric junction c) At the level of arch of aorta d) Level of tracheal bifurcation

ANS : a


Which is true about arch of aorta Posted on November 8, 2012 by sravan | Leave a reply a) Starts at 3 rd right ICS and ends at left 3 rd ICS b) Left vagus arches over it c) Lies behind body of sternum d) It is closely related to parietal pleura

ANS : d


All the direct articulation of true rib except Posted on November 8, 2012 by sravan | Leave a reply a) Costo sternal joint b) Costo chondral joint c) Costo transverse joint d) Costo vertebral joint

ANS : a


Which is true about apex of the left lung Posted on November 8, 2012 by sravan | Leave a reply a) Subclavian artery forms a groove b) Middle cervical ganglion lies behind it c) Closely adherent to cervical pleura d) Ends at second costal cartilage

ANS : a

Bronchial veins of the right side open into Posted on November 8, 2012 by sravan | Leave a reply a) Superior vena cava b) Azygos vein c) Hemiazygos vein d) None of the above

ANS : b


The IVC opnening in the diaphragm is at the level of Posted on November 8, 2012 by sravan | Leave a reply a) T8 b) T10 c) T12 d) Ll

ANS : a


All are true about trachea except Posted on November 8, 2012 by sravan | Leave a reply a) 15cm long b) Bifurcates at C7

c) Lined by pseudo stratified columnar epithelum d) Tracheal cartilage is circular

ANS : b,d


Which of the following structures do not pierce the diaphragm Posted on November 8, 2012 by sravan | Leave a reply a) IVC b) Aorta c) Esophagus d) Greater splanchnic nerve

ANS : b


Bronchopulmonary segment contains all except Posted on November 8, 2012 by sravan | Leave a reply a) Independent pulmonary artery b) Independent pulmonary vein c) Tertiary bronchiole d) Conical segment

ANS : b


Which does not drain into the coronary sinus Posted on November 8, 2012 by sravan | Leave a reply a) Great cardiac vein b) Small cardiac vein c) Anterior cardiac vein d) Middle cardiac vein

ANS : c


The arterial supply of the bundile of His is Posted on November 8, 2012 by sravan | Leave a reply a) interventricular branch of left coronary b) interventricular branch of right coronary c) marginal d) right aortic sinus

ANS : a,b


Right coronary artery supplies all except Posted on November 8, 2012 by sravan | Leave a reply a) Apex of heart b) Intraventricular septum c) Inter atrial septum d) SA mode

ANS : a


The esophageal opening in diaphragm is at the level of Posted on November 8, 2012 by sravan | Leave a reply a) T10 b) T8 c) T9 d) Tll e) T12

ANS : a


Thoracic duct is also called Posted on November 8, 2012 by sravan | Leave a reply a) Hensens duct b) Bernards duct c) Pecquet duct d) Hoffmans duct

ANS : c

The narrowest part of the alimentary canal is Posted on November 8, 2012 by sravan | Leave a reply a) 60 cm proximal to ileocecal junction b) Duodenum 1st part c) Esophagogastric in d) Cricopharynx

ANS : d


The thoracic duct crosses from the right to the left at the level of Posted on November 8, 2012 by sravan | Leave a reply

a) T12 vertebra b) T6 Vertebra c) T4 Vertebra d) T2 Vertebra e) C7 Vertebra

ANS : None


The terminal branches of the internal mammary artery are Posted on November 7, 2012 by sravan | Leave a reply a) Superior epigastric b) Right gastroepiploic c) Musculophrenic artery d) Superior pancreatico duodenal

ANS : a,c


The sinus node is supplied by Posted on November 7, 2012 by sravan | Leave a reply a) Right coronary artery b) Right anterior ventricular artery c) Left anterior descending artery d) Artrio ventricular nodal artery

ANS : a


Which of the following statements about the thoracic wall is/are true? Posted on November 7, 2012 by sravan | Leave a reply a) The terminal branches of the typical posterior intercoastal arteries anastamose with branches of the anterial intercostal arteries b) The neurovascular bundle in the intercostal space passes along the superior border of the rib c) The internal thoracic artery ends by the dividing into superior epigastric and musculophrenic arteries d) The sternal angle is at the level of the third Costal Cartilage

ANS : a,c


Theesophagus Posted on November 7, 2012 by sravan | Leave a reply

a) Passes through the esophageal hiatus at vertebral level T-10 - b) Is found between the trachea and the thoracic duct in the superior mediastinum c) Is typically ventral to the azygos vein in the lowerthroax I IU d) Is adjacent to the right atrium as it passes posterior to the heart

ANS : a,b,c


Posterior interventricular artery is a branch of the artery Posted on November 7, 2012 by sravan | Leave a reply a) Circumflex b) Left coronary c) Right coronary d) None of the above

ANS : c


The coronary sulcus is occupied by the sinus Posted on November 7, 2012 by sravan | Leave a reply a) Pulmonary b) Coronary c) Aortic d) Oblique

ANS : b


At the midaxillary line, parietal pleura extends upto the level of Posted on November 7, 2012 by sravan | Leave a reply a) 8th rib b) 9th rib c) 10th rib d) 11th rib

ANS : c


Anterior interventricular artery is a branch of the artery Posted on November 7, 2012 by sravan | Leave a reply a) Right marginal b) Pulmonary trunk c) Right coronary d) Left coronary

ANS : d

The left coronary artery Posted on November 7, 2012 by sravan | Leave a reply a) Has a branch that commonly anastomoses with the right coronary in the coronary sulcus b) Has a branch that commonly anastomoses with a branch of the right coronary in the intervertricular sulcus c) Is short in that soon after its origin it bifurcates into the anterior interventricular and circumfles arteries d) Passes anterior to the pulmonary trunk

ANS : a,b,c


The lungs Posted on November 7, 2012 by sravan | Leave a reply a) Receive parasympathetic innervation from the vagus nerves b) Receive sympathetic innervation from preganglionic nerve cell bodies located in the intermediolateral cell column of upper thoracic spinal cord segments c) Are innervated by visceral afferents that utilize both the vagal and sympathetic pathways to enter the central nervous system d) Are drained by lympathic pathways, both sides of which (left and right) ter minate in the thoracic duct

ANS : a,b,c


During quiet breathing, the lower border of the lung is found at the level of the Posted on November 7, 2012 by sravan | Leave a reply a) Sixth rib in the midclavicular line b) Tenth rib in the midaxillary line c) Eighth rib in the midaxillary line d) Twelfth rib in the scapular line

ANS : a,c


Carina in an adult is at the level of Posted on November 7, 2012 by sravan | Leave a reply a) T2 b) T3 c) T4 d) T6

ANS : c


An adult trachea has a diameter of Posted on November 7, 2012 by sravan | Leave a reply a) 0.5-1 cm b) 1.2-1.6 cms c) 2.5-3 cms d)3-3.5 cms

ANS : b


The lenght of an adult trachea is Posted on November 7, 2012 by sravan | Leave a reply a) 6 to 8 cm b) 1.0 to 11 cm c) 14 to 15 cm d) 16 to 20cm

ANS : c


Foreign body aspiration most commonly enters Posted on November 7, 2012 by sravan | Leave a reply a) Right main bronchus b) Left man brounchus c) Can enter both equally d) None of the above

ANS : a


All generation of bronchus are fully present by.weeks of intrauterine life Posted on November 7, 2012 by sravan | Leave a reply a) 6th b) 10th c) 16th d) 24th

ANS : c


Lung abscess secondary to aspiration is most often seen in Posted on November 7, 2012 by sravan | Leave a reply

a) Anterior upper lobe b) Posterior upper lobe c) Posterior lower lobe d) Apical lower lobe

ANS : b,d


The anatomical division in the Right middle lobe of lung is Posted on November 7, 2012 by sravan | Leave a reply a) Right and left b) Anterior and posterior c) Medial and Lateral d) Apical and Inferior

ANS : c

The developement of septal defects in the fetal heart occurs at Posted on November 7, 2012 by sravan | Leave a reply a) 2-4 weeks b) 5-8 weeks c) 9-12 weeks d) 12-18 weeks

ANS : b


Trachea begins at the level of Posted on November 7, 2012 by sravan | Leave a reply a) Lower border of thyroid cartilage b) Lower border of cricoid c) Lower border of Hyoid d) Fourth cervical vertebra

ANS : b


Muscle of expiration Posted on November 7, 2012 by sravan | Leave a reply a) Diaphragm b) Internal intercostal c) External intercostal d) Rect. Abdominis

ANS : b,d


SA node is located Posted on November 7, 2012 by sravan | Leave a reply a) Epicardially b) Intramyocardial c) Subepicardially d) Endocardially

ANS : c

Posted in Thorax Multiple C

Thorax Multiple Choice Questions AnswersUWhich of the following duct commences in the abdomen as an elongated lymph sac of the cisternachyli isUUA Potential Anastomosis seen inUUIf the circumflex artery gives off the posterior interventricular artery, then the arterial supply is calledUUWhat is the uppermost structure in left lung hilumUUAll of the following characteristics differentiate a typical cervical vertebrae from a thoracic vertebrae exceptUUDifference between typical cervical & thoracic vertebralUUMost common site ofMorgagni Hernia isUUStructures that pass from thorax to abdomen behind the diaphragm are all exceptUUThe last tributary of the azygos vein isUUThe normal narrowing oesophagus is caused byUUConsider the following statements Venacaval opening of the diaphragm situated at the level of T8 transmitUUWhich of the following structures constitutes part of ventricle of heart ?UUThe coronary sinusUUThe following statements are true regarding the SA node exceptUUAll of the following arteries are common sites of occlusion by a thrombus exceptUUWhile doing thoracocentesis, it is advisable to introduce needle alongUUAll of the following structures pass through the superior aperture of thorax exceptUUAnterior intercostal artery is branch ofUUSuperior intercostal artery is a branch ofUUWhich of the following do NOT elevate the ribsUUThe root of the right lung does not lie behind which one of the followingUUOcclusion of the LAD will lead to infarction of which areaUUWhich of the following is correct regarding hilum of right lungUUAll of the following are true regarding heart exceptUUWhich of the following is correct regarding SA nodeUUThe base of the heart is formed by theUUThe arch of aorta lies in themediastinumUULeft superior intercostal vein drains intoUUThe esophagusUUThe stability of the vertebral column is due toUThorax Multiple Choice Questions AnswersUAutonomic supply to S.A node isUUIn angina pectoris, the pain radiating down the left arm is mediated by increased activity in afferent (sensory) fibres contained in theUUThe middle cardiac vein is located at theUUThe lumbar region of the vertebral column permits all of the following movements exceptUUThe commonest variation in the arteries arising from the arch of aorta isUUBronchial artery supplies uptoUUStructures passing through the aortic hiatus of diaphragm areUUBranches of R.C.A. (Rt. Coronary artery)UUTrue statements about esophageal hiatusUUBlood supply of lungs areUUPulmonary segments in middle lobe of right lung areUUPart of left lower lobe of lung exceptUUEsophagus enters throughUUWhich one of these muscles is not cut in postero lateral thoracotomyUULength of tracheaUUSympathetic innervation of heart is byUUWhich of the following is not a boundary of the Kochs triangleUUThe oblique sinus of pericardium liesUUOesophagus reveives blood sumply from all exceptUUAll are insert in the first rib exceptUUWhich one of the following structure is NOT situated between the nect of the first rib and apex of the lungUUTrue about thoracic ductUUAll open in right atrium exceptUUAH the following veins drain into coronary sinus exceptUUTrue ribs areUUCorrect about right and left main bronchi isUUPart of heart lying in front of oeophagusUUBundle of HIS isUUThe most dependant part of the lung in the supine positionUUSensory nerve supply of trachea isUUOne of the following ribs articulate directly with sternum exceptUULower border of costodiaphragmatic recess is at level of following RibUUStructure arching over hilum of right lung isUUIn a cross section of thorax at T4, which is foundUUGreat cardiac vein lies inUUIf a foreigh body enters in to the nose accidentally it entersUUCoronary sinus opens intoUURt middle lobe consists of which broncho pulmonary segmentUUBase of the heart is formed byUUAtrioventricular node is supplied byUUThe following form the boundaries of Kochs triangle exceptUUThe Inferior Surface of the heart is formed byUULeft coronary artery supplies all exceptUUWhich of the following about parietal pleura is correctUUThe base of the heart is related toUULength of Esophagus isUUNarrowest part of the esophagus isUUWhich is true about arch of aortaUUAll the direct articulation of true rib exceptUUWhich is true about apex of the left lungUUBronchial veins of the right side open intoUUThe IVC opnening in the diaphragm is at the level ofUUAll are true about trachea exceptUUWhich of the following structures do not pierce the diaphragmUUBronchopulmonary segment contains all exceptUUWhich does not drain into the coronary sinusUUThe arterial supply of the bundile of His isUURight coronary artery supplies all exceptUUThe esophageal opening in diaphragm is at the level ofUUThoracic duct is also calledUUThe narrowest part of the alimentary canal isUUThe thoracic duct crosses from the right to the left at the level ofUUThe terminal branches of the internal mammary artery areUUThe sinus node is supplied byUUWhich of the following statements about the thoracic wall is/are true?UUTheesophagusUUPosterior interventricular artery is a branch of the arteryUUThe coronary sulcus is occupied by the sinusUUAt the midaxillary line, parietal pleura extends upto the level ofUUAnterior interventricular artery is a branch of the arteryUUThe left coronary arteryUUThe lungsUUDuring quiet breathing, the lower border of the lung is found at the level of theUUCarina in an adult is at the level ofUUAn adult trachea has a diameter ofUUThe lenght of an adult trachea isUUForeign body aspiration most commonly entersUUAll generation of bronchus are fully present by.weeks of intrauterine lifeUULung abscess secondary to aspiration is most often seen inUUThe anatomical division in the Right middle lobe of lung isUUThe developement of septal defects in the fetal heart occurs atUUTrachea begins at the level ofUUMuscle of expirationUUSA node is locatedU

thorax multiple choice questions answers

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