The undigested substance (faeces) enter into the ________ of large intestine through ________ valve which prevents backflow of faecal matter:

(1) Caecum, ileo-caecal

(2) Colon, ileo-colon valve

(3) Rectum, Recto-colonic

(4) Colon, pyloric valve

 

Subtopic:  Swallowing: Histology of Gut |
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In addition to neural control, hormones also influence the:

(1) Gastric secretions

(2) Intestinal secretions

(3) Muscular activities of different parts of alimentary canal

(4) All are correct

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Fructose and some amino acids are absorbed by:

(1) Active transport

(2) Diffusion

(3) Facilitated transport

(4) Osmosis

Subtopic:  Absorption: Part 1 | Absorption |
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Which of the following statement is wrong about chylomicrons?

I. Chylomicrons are produced in the epithelial cells of small intestine

II. It contains triglycerides, cholesterol and phospholipids

III. It is protein coated small vesicles

IV. Chylomicrons released from the epithelial cell into lacteals

(1) I and IV

(2) II and III

(3) I, II, III and IV 

(4) None of the above

Subtopic:  Absorption: Part 2 | Absorption |
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Gastric juice does not contain:

(1) Lipase

(2) Rennin

(3) Protease

(4) Amylase

Subtopic:  Gastric Secretions |
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Enterokinase is:

(1) A hormone that prevents the secretion of gastric juice

(2) An enzyme that activates the enzyme of pancreatic juice

(3) An enzyme that activates the proteolytic enzymes of succus entericus

(4) Hormone that prevents the secretion of pancreatic juice

Subtopic:  Intestinal Secretions |
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The sphincter of Oddi is present between:

(1) Oesophagus and cardiac stomach

(2) Pyloric stomach and duodenum

(3) Hepatic duct and cystic duct

(4) Hepatopancreatic duct and duodenum

 

Subtopic:  Pancreatic Secretions |
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If for some reason the parietal cells of the gastric epithelium become partially non-functional, what is likely to happen?

(1) The pancreatic enzymes and specially the trypsin and lipase will not work efficiently

(2) The pH of stomach will fall abruptly

(3) Steapsin be more effective

(4) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones

Subtopic:  Gastric Secretions |
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What are the tiny finger-like projections called that are inside the small intestine? These tiny finger-like projections absorb the nutrients form the food and send the vitamins, minerals, proteins, carbohydrates and fats into our bloodstream:

(1) Esophagus

(2) Arteries

(3) Villi

(4) Flagella

Subtopic:  Absorption: General Adaptations |
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How is the digestion of fats different from that of proteins and carbohydrates?

(1) Fat digestion occurs in the small intestine, and the digestion of proteins and carbohydrates occurs in the stomach

(2) Fats are absorbed into the cells as fatty acids and monoglycerides but are then modified for absorption into the blood; amino acids and glucose are not modified further

(3) Fats enter the hepatic portal circulation, but digested proteins and carbohydrates enter the lymphatic system

(4) Digested fats are absorbed in the large intestine, and digested proteins and carbohydrates are absorbed in the small intestine

Subtopic:  Absorption: Part 1 | Absorption |
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