Glands of Stomach

Q.

Crypts of lieberkuhn are formed from the

1. the mucosa of the small intestine

2. the submucosa of the small intestine

3. the submucosa of the stomach

4. the mucosa of the stomach

Q.

What is the function of mucus in the stomach?

Q.

What are three major types of cells found in the gastric glands? Name their secretions.

Q.

In the digestive system, the pH of the stomach and the intestine, respectively are

1. Acidic and Acidic

2. Acidic and Neutral

3. Acidic and Alkaline

4. Alkaline and Acidic.

Q.

What would happen if HCl were not secreted in the stomach?

Q.

The chemicals used for staining and mounting the section of a leaf (to show stomata) respectively are

1. Iodine and glycerine.

2. Glycerine and safranin.

3. Iodine and safranin

4. Safranin and glycerine.

Q.

What are the four regions of the stomach?

Q.

Alcohol is absorbed in-

1. Mouth

2. Oesophagus

3. Throughout the alimentary canal

4. Stomach and proximal intestine

Q. Which of the hormones is not produced by the argentaffin cells?

1. Serotonin
2. Somatostatin
3. Histamine
4. Gastrin

Q. Which of the following is/are function of enterogastrone hormone?
i. Inhibits secretion of gastric juice
ii. Stimulates gastric motility
iii. Stimulates secretion of gastric juice
iv. Inhibits gastric motility

1. Option i and ii are correct
2. Option iii and iv are correct
3. Option i and iv are correct
4. Option ii and iii are correct

Q. What is the function of HCl during the digestion process?

1. To activate pepsinogen
2. To decrease the activity of pepsin enzymes.
3. All of the above
4. To create a neutral environment in the stomach.

Q. Write the main function of pepsin.

Q. Secretion of gastric juice is controlled by

1. cholecystokinin
2. gastrin
3. secretin
4. enterogastrone

Q. All of the following are substances found in pancreatic juice except

1. pepsin
2. trypsin
3. amylase
4. lipase

Q. Match the following according to the secretions of the cells of the stomach:

1. HCl
2. Proenzymes
3. Mucus
4. Gastrin

Q.

Correct the following statements by deleting one of entries (given in bold).
(a) Goblet cells are Located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus.
(b) Fats are broken down into di-and monoglycerides with the help of amylase/lipases.
(c) Gastric glands of stomach mucosa have oxyntic cell/chief cells which secrete HCl.
(d) Saliva contains enzymes that digest starch/protein

Q. Secretion of gastric juice is stopped by

1. cholecystokinin
2. enterogastrone
3. gastrin
4. pancreozymin

Q. Which of the following statements is true about enterogastrone?

1. secreted by the intestinal mucosa
2. secreted by gastric muscularis
3. secreted by gastric mucosa
4. secreted by intestinal muscularis

Q. What is starch sugar interconvension thoery by Lloyd in 1908

Q. Hydrochloric acid is secreted by which of the following cells of stomach?

1. Chief cells
2. Parietal cells
3. Peptic cells
4. Goblet cells

Q. Name any two industrially important enzymes.

Q. Which of the following hormones exhibit stimulatory effects?

1. Gastrin
2. Histamine
3. Cholecystokinin
4. All of these

Q.

Match the column I (cells of the stomach ) with II (their secretions ) :

Column I Column II

i.Peptic cells a.HCl

ii. Oxyntic cells b. Proenzymes

iii. G cells c. Mucus

iv. Mucous cells d. Gastrin

1. i).➡ c., ii).➡ d., iii).➡ d., iv). ➡ a

2. i).➡ b., ii).➡ a., iii).➡ d., iv). ➡ c.

3. i).➡ d., ii).➡ b., iii).➡ a., iv). ➡ c.

4. i).➡ a., ii).➡ c., iii).➡ b., iv). ➡ b.

Q.

What hormone slows stomach emptying?

Q. Which cells in the stomach secrete gastric acid?

1. Chief cells
2. Peptic cells
3. Parietal cells
4. both (a) and (b)

Q. Which of the following is/are function of enterogastrone hormone?
i. Inhibits secretion of gastric juice
ii. Stimulates gastric motility
iii. Stimulates secretion of gastric juice
iv. Inhibits gastric motility

1. Option i and ii are correct
2. Option iii and iv are correct
3. Option i and iv are correct
4. Option ii and iii are correct

Q. Assertion : Chymotrypsinogen and trypsinogen are released from gastric glands.

Reason : They help in the digestion of fats.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not correct explanation of A
3. A is true but R is false
4. A and R are false

Q. Which of the following statements is true about enterogastrone?

1. secreted by the intestinal mucosa
2. secreted by gastric muscularis
3. secreted by intestinal muscularis
4. secreted by gastric mucosa

Q. The reason for producing pepsin in the form of inactive pepsinogen is to

1. Preserve the active site
2. Protect the secreting cells
3. Raise the pH of the liquid inside the stomach
4. Ensure that the enzyme is active when food is present
5. Prevent the enzyme from breaking down carbohydrate

Q. Identify the correct sequence of hormones involved in:

1. Gastrin, secretin, Enterokinin and CCK
2. Enterogastrone, gastrin, pancreozymin and CCK
3. Gastrin, Enterogastrone, CCK and pancreozymin
4. Secretin, Enterogastrone, Secretin and enterokinin