Anatomy of the Aorta
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Questions and Answers

Where does the arch of the aorta first run after beginning at the level of the upper border of the Rt 2nd sternocostal joint?

  • Downward, forward, and to the left, in front of the trachea
  • Upward, forward, and to the right, behind the trachea
  • Upward, backward, and to the left, in front of the trachea (correct)
  • Downward, backward, and to the right, behind the trachea
  • At which level does the descending aorta end?

  • At the lower border of T4 vertebra
  • At the aortic hiatus in the diaphragm
  • In front of the lower border of T12 vertebra (correct)
  • At the lower border of L4 vertebra
  • Which artery arises from the front of the aorta, just below the aortic hiatus of the diaphragm?

  • Hepatic Artery
  • Left Subclavian Artery
  • Coeliac Artery (correct)
  • Inferior Mesenteric Artery
  • What is the largest branch arising from the Coeliac Artery?

    <p>Splenic Artery</p> Signup and view all the answers

    From which vertebra does the Superior Mesenteric Artery arise?

    <p>L1</p> Signup and view all the answers

    Which artery supplies the small intestine, cecum, and right half of the transverse colon?

    <p>Superior Mesenteric Artery</p> Signup and view all the answers

    Where do the Inferior Mesenteric Artery branches supply blood?

    <p>Left half of transverse colon, descending and sigmoid colon</p> Signup and view all the answers

    What do the Renal Arteries divide into before reaching hilus of each kidney?

    <p>Four branches</p> Signup and view all the answers

    Where does the External Iliac Artery become Femoral Artery?

    <p>Below inguinal ligament</p> Signup and view all the answers

    What is a characteristic feature of Internal Iliac Artery?

    <p>It is longer when Common Iliac Artery is long</p> Signup and view all the answers

    What happens to the caliber of the aorta at the union of the ascending aorta with the aortic arch?

    <p>It increases due to a bulging of its right wall</p> Signup and view all the answers

    Which portion of the aorta descends within the thorax on the left side of the vertebral column?

    <p>Descending aorta</p> Signup and view all the answers

    Where do the coronary arteries, branches of the ascending aorta, originate?

    <p>Aortic sinuses</p> Signup and view all the answers

    How far does the ascending aorta pass obliquely upward, forward, and to the right?

    <p>Up to the upper border of the second right costal cartilage</p> Signup and view all the answers

    What is another term for the dilatation found at the union of the ascending aorta with the aortic arch?

    <p>Aortic bulb</p> Signup and view all the answers

    How does the aorta arch after originating from LV?

    <p>Backward and to the left side</p> Signup and view all the answers

    What is another term for LV?

    <p>Left Ventrical</p> Signup and view all the answers

    Which artery supplies the small intestine, cecum, and right half of the transverse colon?

    <p>Superior mesenteric artery</p> Signup and view all the answers

    What is a characteristic feature of the Internal Iliac Artery?

    <p>Divides into two large trunks at the upper margin of the greater sciatic foramen</p> Signup and view all the answers

    What is another term for the dilatation found at the union of the ascending aorta with the aortic arch?

    <p>Right brachiocephalic trunk (Innominate) artery</p> Signup and view all the answers

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