Digestive System 28 Sep 2022

Question 1

Which part of alimentary canal open into pharynx

Answer 1

Oral cavity

Question 2

Pharynx is common opening for

Answer 2

Food and air both

Question 3

What are the two parts of pharynx

Answer 3

Nasopharyngnx and oropharynx

Question 4

What is nasopharyngnx related to and what tube is present in it and the function of the tube

Answer 4

Nasopharyngnx is upper part of pharynx related to nasal chamber
1 pair of eustatian tube is present which is related to middle ear which reduce the pressure in air by absorption

Question 5

What are the two opening in pharynx

Answer 5

Gullet,glottis

Question 6

Whose opening is gullet and it is present on which side v or d?

Answer 6

Oesophagus opening
Dorsal side

Question 7

Opening of wind pipe is what and what side it present

Answer 7

Glottis ventral side ( trachea)

Question 8

What prevent entry of food in trachea and how

Answer 8

Epiglottis a cartilagenos flap cover the opening of wind pipe or trachea

Question 9

Oesophagus extent on what side and what it passes through and in which it open up

Answer 9

Posterior side and it pass through neck, thorax, diaphragm
Opens into stomach

Question 10

What glads are absent in oesophagus

Answer 10

Digestive

Question 11

Shape,nature and where is stomach present

Answer 11

J shaped,thick muscular, left side of abdomen

Question 12

What are the 4 parts of stomach

Answer 12

Fundus
Cardic
Body
Pyloric

Question 13

What are the two opening or orifise of stomach

Answer 13

Cardic orifice , pyloric orifise

Question 14

Tell the name of sphincter which guraded the open of cardic and pyloric opening

Answer 14

1. Gastroesophargeal sphincter
2. Pyloric sphincter

Question 15

What is the outer most layer of stomach

Answer 15

Ommantum - peritonam type of epithelium…with fatty tissue and lymph tissue

Question 16

What is the inner membrane of stomach,what projections are present in it

Answer 16

Mucosa/ mucus membrane
Thick inner epithelium
In empty space many projections are present called gastic rugae

Question 17

The projection inside the stomach will disappear when …

Answer 17

The stomach will be in distended state

Question 18

gastic gland form from

Answer 18

Gastic muscosa

Question 19

Which is first cell of gastic gland

Answer 19

Mucus cell… secret mucous
Protect mucosa from hcl

Question 20

What is the 2nd gastic cell in stomach

Answer 20

Parietal/ oxynteic

Question 21

What absorb vitamin b 12 from food

Answer 21

Castle intrinsic factor
(Form inside the body thats why inside)

Question 22

What cell in stomach secret hcl

Answer 22

Parietal cell

Question 23

Function of parietal cell

Answer 23

Inactivation of ptyline in saliva (ptyline work only in lessph)
Convert inactive into active
Maintain acidity in stomach
Kill bacteria (bacteriolytic)
Soften the food

Question 24

What is the 3rd cell of stomach secretion

Answer 24

Peptic/cheif/zymogen

Question 25

Function of peptic cells

Answer 25

Have pepsinogen which active in hcl
Gastic lipase - digestion of 1 Percent of emulsified fat
Prorennin _____ only in chlid rennin
Digestion of milk protein

Question 26

Other secretion cells in stomach and there function

Answer 26

G cell- gastin -stimulate secretion of gastic juice
D cells - somastatin- inhibit secretion of gastic juice