Anatomy MCQs (Thorax)-12 Questions



1-      Regarding the intercostal nerve all the following are True, EXCEPT:
a-      7th Intercostal nerve is typical
b-      End by anterior cutanous nerve
c-       2nd will supply the skin of axilla (lateral branch)
d-      Communicate with sympathetic trunk through rami communication
e-      Located below the arteries
Answer- a


2-      Regarding intercostal arteries:
a-      are superior to veins & nerves
b-      musculophrenic artery will supply 7th to 9th intercostals spaces
c-       all the posterior branches are from the aorta
d-      the collateral branch supply the lung
e-      all the anterior branches are from the internal thoracic
Answer- b


3-      All the following are in the Rt atrium, EXCEPT:
a-      azygos vein
b-      anterior cardiac vein
c-       coronary sinus
d-      SVC
e-      IVC
Answer- a

4-      Regarding Rt ventricle all the following are True, EXCEPT:
a-      have three papillary muscle
b-      the  septomarginal trabecula (moderator band) extend from the septum to the base of the anterior papillary muscle
c-       have a pectinate muscle which passes anteriorly
d-      The outflow portion of the champer inferior to the pulmonary  orifice called infandibulum
e-      The infandibulum is smooth and the remainder of the ventricle is rough
Answer- c


5-      X-ray of the Lt border of mediastinum show the following, EXCEPT:
a-      left auricle
b-      aortic arch
c-       pulmonary trunk
d-      left ventricle
e-      right atrium
Answer- e


6-      superior mediastinum shows all the following, EXCEPT:
a-      trachea
b-      ascending aorta
c-       arch of aorta
d-      left brachiocaphalic vein
e-      vagus nerve
Answer- b


7-      Regarding the Arch of the aorta, the incorrect statements is:
a-      Located in superior mediastinum
b-      Located below the brachiocaphalic vein
c-       Connected to the pulmonary trunk by ligamentum arteriosum
d-      It is arches over the Lt main bronchus
e-      The Rt recurrent laryngeal nerves hocks around it
Answer- e


8-      the correct statement about Thoracic duct is:
a-      it is enter to the thorax through caval opening
b-      it lies posterior to the esophagus in the superior mediastinum
c-       it lies in the superior & posterior mediastinum
d-      drain into Rt subclavian vein
e-      it receives the lymph from both lungs
Answer- c

9-      Regarding pericardium:
a-      visceral part supplied by phrenic nerve
b-      Fibrous pericardium consist of visceral & parietal parts
c-       serous pericardium down represent the attachment of central tendon of diaphragm
d-      Located laterally to the esophagus
e-      The oblique sinus is bounded anteriorly by the visceral layer of serous pericardium
Answer- e


10-   All the following are related posteriorly to the heart, EXCEPT:
a-      Oblique sinus
b-      Rt bronchus
c-       Thoracic aorta
d-      Lt vagus
e-      Esophagus
Answer- b


11-   Regarding Rt main bronchus all the following are True, EXCEPT:
a-      wider than the Lt
b-      longer than the Lt
c-       more vertical than the Lt
d-      bacteria pass through it easily
e-      gives off the Rt superior lobe bronchi before entering the hilum
Answer- b


12-   Regarding the pleura the incorrect statement is:
a-      cervical part is above the clavicle
b-      diaphragmatic pleura supplied by intercostal nerves ONLY
c-       cervical pleura is crossed by subclavian vessels
d-      pleural cavity is a potential space
e-      the visceral & parietal pleurae are continuous around the root of the lung
Answer- b


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