Advertisements
Advertisements
प्रश्न
How is the intestinal mucosa protected from the acidic food entering from stomach?
Advertisements
उत्तर
The mucus and bicarbonates present in gastric juice play an important role in lubrication and protection of the mucosal epithelium from excoriation by highly concentrated hydrochloric acid.
APPEARS IN
संबंधित प्रश्न
Match column I with column II
| Column I | Column II | ||
| a | Bilirubin and biliverdin | 1 | Parotid |
| b | Hydrolysis of starch | 2 | Bile |
| c | Digestion of fat | 3 | Lipases |
| d | Salivary gland | 4 | Amylases |
How does pepsinogen change into its active form?
Describe the process of digestion of protein in stomach.
Describe the digestive role of chymotrypsin. What two other digestive enzymes of the same category are secreted by its source gland?
How are polysaccharides and disaccharides digested?
What would happen if HCl were not secreted in the stomach?
How does butter in your food gets digested and absorbed in the body?
Name different types of teeth and their number in an adult human.
Mark the right statement among the following
Trypsinogen is an inactive enzyme of pancreatic juice. An enzyme, enterokinase, activates it. Which tissue/ cells secrete this enzyme?/ How is it activated?
Name the enzymes involved in the breakdown of nucleotides into sugars and bases?
Define digestion in one sentence.
Correct the following statement by deleting one of entries (given in bold).
Saliva contains enzymes that digest starch/protein.
Correct the statement given below by the right option shown in the bracket against them.
Rennin is a proteolytic enzyme found in gastric juice in (infants/adults).
Correct the statement given below by the right option shown in the bracket against them.
Pancreatic juice and bile are released through. (intestine- pancreatic/hepato-pancreatic duct)
Correct the statement given below by the right option shown in the bracket against them.
Dipeptides, disaccharides and glycerides are broken down into simple substances in region of small intestine. (jejunum/duodenum)
How are the activities of gastro-intestinal tract regulated?
