Q. No.The term brush border refers to:
1. ciliated epithelium
2. transitional epithelium
3. microvilli
4. villi
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Identify a brush border enzyme amongst the following:
1. rennin
2. lactase
3. trypsin
4. pancreatic amylase
The characteristic color of urine and feces is due to:
1. urobilinogen
2. free bilirubin
3. conjugated bilirubin
4. bile salts
A metabolic pathway that results in the generation of glucose from non-carbohydrate carbon substrates such as lactate, glycerol, and glucogenic amino acids is called as:
1. glycogenesis
2. glycogenolysis
3. gluconeogenesis
4. lipogenesis
The first hormone to be discovered discovered was [Bayliss and Starling]:
1. insulin
2. secretin
3. leptin
4. thryoxin
The function of human gall bladder would be that it:
1. Synthesizes bile
2. Stores and concentrates bile
3. Secretes secretin
4. Secretes cholecystokinin
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Identify the correct statement:
1. Cabohydrate digestion begins in the stomach
2. Polsaccharides are broken down to monosaccharides by amylase
3. Disaccharides are actively transported across the epithelium of the small intestine
4. Final luminal digestion of carbohydrates produces monosaccharides
Identify the correct statement regarding lipid digestion and absorption:
1. Most lipids are asorbed without digestion as they are not macromolecules
2. The products of lipid digestion are resynthesized into triglycerides in intestinal epithelial cells
3. The products of lipid digestion diffuse into capillaries in the vicinity of the intestinal epithelium
4. The products of lipid digestion travel in the circulatory system in the form of micelles
Identify the correct statement regarding the transport of the absorbed products of fat digestion:
1. Free fatty acids and monoglycerides are transported to the liver via the hepatic portal vein
2. Triglycerides are transported through the lymphatics in lipoproteins called LDL
3. Triglycerides are transported through the lymphatics as part of lipoproteins called chylomicrons
4. Free fatty acids and monoglycerides are transported through the lymph as part of lipoproteins called chylomicrons
Emulsification of fats occurs in small intestine and it:
1. Results in the formation of small fat droplets
2. Depends upon the polar structure of bile salts
3. Results in the formation of chylomicrons
4. Depends upon the polar structure of bile pigments
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