Which structure passes through the aortic hiatus except the descending aorta? ()
A. Vagus nerve
B. Thoracic duct
C. Visceral nerve
D. Azygos vein
E. Sympathetic trunk
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What nerve should be protected when ductus arteriosum is ligated: ()
A. vagus nerve
B. left recurrent laryngeal nerve
C. pulmonary plexus
D. superficial cardiac plexus
E. phrenic nerve
Which structures in the superior mediastinum? ()
A. Right common carotid artery
B. Right recurrent laryngeal nerve
C. Left common carotid artery
D. Left, right brachiocephalic veins and superior vena cava
E. Azygos and hemiazygos veins
Which structure is not in the epigastric region? ()
A. Gallbladder
B. Major part of duodenum
C. Pancreas
D. Transverse colon
E. Part of kidneys
The inferior border of the rectus sheath posteriorly is called the: ()
A. Falx inguinalis
B. Inguinal ligament
C. Internal inguinal ring
D. Arcuate line
E. Linea alba
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