Digestion and Absorption

Which one of the following correctly represents the normal adult human dental formula?

• 3/3, 1/1, 3/2,/1/1

• 2/2,1/1,3/2,3/3

• 2/2, 1/1, 2/2, 3/3

• 2/2, 1/1, 2/2, 3/3

Which one of the following pairs of food components in humans reaches the stomach totally undigested?

• Protein and starch

• Starch and fat

• Fat and cellulose

• Fat and cellulose

Which one of the following statement is true regarding digestion and absorption of food in humans?

• Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

• Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na⁺

• Chylomicrons are small Lipoprotein particles that are transported from the intestine into blood capillaries.

• Chylomicrons are small Lipoprotein particles that are transported from the intestine into blood capillaries.

What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?

• Gastric juice will be deficient in chymosin

• Gastric juice will be deficient in pepsinogen

• In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin

• In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin

Which one of the following is a fat-soluble vitamin and its related deficiency disease?

• Ascorbic acid  - Scurvy

• Retinol -  Xerophthalmia

• Cobalamine -   Beri-beri

• Cobalamine -   Beri-beri

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

• Argentaffin cells

• Paneth cells

• Zymogen cells

• Zymogen cells

The hepatic portal vein drains blood to liver from

• Heart

• Stomach

• Kidneys

• Kidneys

Which one of the following statements is correct with reference to enzymes?

• Apoenzyme = Holoenzyme + Coenzyme

• Holoenzyme = Apoenzyme + Coenzyme

• Coenzyme = Apoenzyme + Holoenzyme

• Coenzyme = Apoenzyme + Holoenzyme

Which of the following options best represents the enzyme composition of pancreatic juice?

• Amylase, peptidase, trypsinogen, rennin

• Amylase, pepsin, trypsinogen, maltase

• Peptidase, amylase, pepsin, rennin

• Peptidase, amylase, pepsin, rennin

Which of the following terms describe human dentition?

• Thecodont, Diphyodont, Homodont

• Thecodont, Diphyodont, Heterodont

• Pleurodont, Diphyodont, Heterodont

• Pleurodont, Monophyodont, Homodont