Digestion and absorption

Question 1

what are the digestive glands associated with the

alimentary canal?

Answer 1

Salivary glands
Liver
Pancreas

Question 2

What are the 4 wall layers of the alimentary canal?

Answer 2

Serosa(outer)
Muscularis(inner circular,outer longitudinal)
Sub mucosa
Mucosa

Question 3

Dental formula in adult human

Answer 3

2123

Question 4

What is the function of goblet cells and where

is it present

Answer 4

Present in the intestinal mucosal epithelium it produces mucus for lubrication

Question 5

Name the 3 pairs of salivary glands

Answer 5

Parotid(cheek)
Maxillary/Sub-mandibular(lower jaw)
Sub-lingual(below tongue)

Question 6

largest gland of the human body is?

Answer 6

Liver(1.2 to 1.5 kg)

Question 7

In duodenum glands are +nt in ____wall layer

Answer 7

sub-mucosa

Question 8

The ___wall layer forms irregular folds called_____in the stomach and small finger like projections called_____in small intestine.

Answer 8

The _mucosa__wall layer forms irregular folds called__rugae___in the stomach and small finger like projections called__villi___in small intestine.

Question 9

Crypts of Lieberkuhn

Answer 9

Crypts formed in between the bases of villi in intestine by the mucosa

Question 10

Glisson’s capsule

Answer 10

Thin connective tissue sheath covering hepatic lobules

Question 11

Exocrine part of pancreas secretes___

Endocrine part of pancreas secretes___

Answer 11

Exocrine part of pancreas secretes_pancreatic juice containing enzymes__
Endocrine part of pancreas secretes_hormones,insulin,glucagon__

Question 12

What are the 2 enzymes +nt in saliva ?

Answer 12

Salivary amylase and lysozyme

Question 13

Optimum pH for action of salivary amylase

Answer 13

6.8

Question 14

Major types of cells of gastric glands

Answer 14

Mucus cells
Peptic/chief cells
Parietal/oxyntic cells

Question 15

Stomach stores food for how many hours?

Answer 15

4-5hrs

Question 16

What is enterokinase?

Answer 16

Enzyme secreted by intestinal mucosa that activates trypsinogen

Question 17

Bile released into the duodenum contains no enzymes (True/False)

Answer 17

True

Question 18

Intestinal juice or succus entericus

Answer 18

secretions of brush bordered cells of mucosa + secretions of goblet cells

Question 19

Sub-mucosal glands like____help in providing ___medium in small intestine for enzymatic activities.

Answer 19

Sub-mucosal glands like_Brunner’s glands___help in providing _alkaline__medium in small intestine for enzymatic activities.