AIIMS MCQ

GI SUrgery MCQs from AIIMS over the years

Strongest layer of the intestine

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Q) Which is the strongest layer of the intestine?

a) Mucosa

b) Submucosa

c) Muscularis propria

d) Muscularis mucosa

Answer:

b) Submucosa is the strongest and most important layer for intestinal anastomosis. It has fibroblasts that will ultimately release collagen and hold the anastomosis together. This layer should be fully incorporated in the anastomosis.

Inverted Vs everted anastomosis of intestine debate has been log going on but now many prefer inverted because mucosa is exposed to mucosa and eventually degrades joining the two submuoca together to cause healing by primary intention.

REF Schakelford: page 923

Borrmann’s classification for ca stomach

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Q) According to Borrmann's Classification of Ca stomach Type II is?

a) Fungating

b) Polypoid

c) Ulcerative

d) Infiltrative

Borrmann’s pathologic classification of gastric cancer is  based on gross appearance.

Developed in 1926

Gastric carcinoma is divided into 5 types according to this classification

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Ans  c

Ulcerative with elevated borders

Borrmann’s classification is for advanced gastric tumors. 

It is useful to distinguish between advanced and early gastric tumors because in advanced tumors neo adjuvant therapy improves over all survival.

The gross appearance of advanced gastric carcinomas can be divided into

Type I for polypoid growth or fungating 

Type II for Ulcerated with elevated borders

Type III for ulcerating with invasion of wall

Type IV for diffusely infiltrating growth which is also referred to as linitis plastica 

Type V can not be classified

 

Endocrine cells of pancreas

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Q) Delta cells in the pancreas secrete

a) Insulin

b) Glucagon

c) Somatostatin

d) Secretin

Answer d

Somatostatin

Endocrine pancreas
Endocrine cells of pancreas

Pancreas- Endocrine functions

Beta cells form 65-80% of pancreatic endocrine cells and produce insulin

Alpha cells 12-20% and produce glucagon

Delta cells 3-10% and produce somatostatin

PP cells - Pancreatic polypeptide 1%

Somatostatin is an inhibitory hormone and inhibits most of the things

Colon cancer surveillnace

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Q) CEA surveillance in normal person whose father and brother had colon cancer is helpful in 

a) CEA is highly sensitive in picking up the diagnosis of colon cancer

b) HIGH preoperative CEA is predictive of unresectability in colon cancer

c) Increase in CEA after surgery is indicative of tumor recurrence

d) CEA is present in normal colonic mucosa

Answer for premium members

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