Blood supply of bile duct

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Q)Blood supply of biliary tract? Which is false

a) 2% blood supply is  nonaxial
b) Downward 38% from RHA
c) GB venous drainage directly to Portal vein
d) Main artery supply to retro pancreatic CBD is retroduodenal artery

Subvesical duct

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Q) . False about  subvesical duct
a) Embedded in cystic plate
b) Communicate with CHD
c) Communicate  with  GB
d) Does not drain any specific segment of liver 

Coronary vein

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Q) Coronary vein is  (AIIMS Onco 2019) 

a) left gastric vein

b) left gastroepiploic vein

c) right gastric vein

d) Right gastroepiploic

Other Aiims onco MCQs              Onco 21-40

 


 

Right gastro epiploic vein

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Q) Right gastroepiploic vein drains into
A. Splenic vein
B. Left gastric vein
C. Portal vein
D. Superior mesenteric vein


ANswer is free

D SMV

Veins of SMV
Right gastro epiploic vein

lymphatics of colon

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Q ) Which of the following group of lymph nodes do lymphatics of the colon first drain to?

a) Paracolic

b) Epicolic

c) Nodes along SMA/IMA

d) Para aortic


Ans ) b

Lymphatics first drain to epicolic group along the bowel wall

Then paracolic group along the marginal artery

Intermediate group along the named vessels SMA/IMA

Finally to par aortic 

Colon and upper 2/5 of rectum --- Para aortic

Lower 1/5 of rectum and anal canal - Superficial inguinal lymph nodes

Ref Sabiston-1317

Blood supply of CBD

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Q) CBD is supplied by all except (AIIMS NOV 18)
a Cystic art
b RHA
c LHA
d Anterosuperior pancreaticoduodenal artery

Ans

c

Its c
As per sackhelford CBD is supplied by
Cystic duct,RHA,retroduodenal and posterior superior pancreaticoduodenal artery

Shackelford-1253

 

Esophagus Length

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Q) Length of Esophagus is 

 A. 20 cm
B. 25 cm
C. 30-35cm
D. 40cm

Length of esophagus is important in various resection surgeries as well as endoscopy


Answer

 b 25 cm

The length of esophagus  is anatomically defined as the distance between the cricoid cartilage and the gastric orifice. It ranges in adults from 22 to 28 cm (24 ± 5 SD),  last 3 to 6 cm of which are located in the abdomen.

The shortest distance between the cricoid cartilage and the celiac axis is the orthotopic route in the posterior mediastinum, being 30 cm. The retrosternal (32 cm) and the subcutaneous route (34 cm) proved to be longer

Deviations to the left 

Esophagus through out its length deviates to the left in superior mediastinum and lower posterior mediastinum.

Constrictions of esophagus

Cervical narrowest at c5/6

Thoracic T4-5

Abdominal

 

Ref Shackelford page 10

Blood supply duodenum

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Q) Supraduodenal artery of Wilkie is a branch of

a) GDA

b) Rt gastroepiploic

c) Rt gastric

d) Sup Pancreaticoduodenal

Ans For Premium 

Discuss blood supply of 1st part of duodenum, and course of all arteries mentioned in choices.