Digestive System

Question 1

Entry point of food and water towards the gastrointestinal canal
Initial digestion of carbohydrates

Answer 1

Mouth

Enyzme (Amylase)

Question 2

Masticate food materials in the mouth into smaller pieces

Answer 2

Teeth

Question 3

Moves the food materials in the mouth for better facilitation of mastication; serves as the main organ for tasting the food ingested

Answer 3

Tongue

Question 4

Secretes saliva which contains an enzyme

Answer 4

Salivary glands

Question 5

Enzyme in the salivary glands that catalyzes primary carbohydrate digestion

Answer 5

salivary amylase or ptyalin

Question 6

Serves as the passageway of both food and air

Answer 6

Pharynx

Question 7

Covers the trachea when swallowing food to prevent it from entering the respiratory tract

Answer 7

Epiglottis

Question 8

Connects the mouth to the cardiac end of the stomach; passageway of bolus to get to the stomach via peristalsis

Answer 8

Esophagus

Question 9

Further mechanical and chemical digestion of food materials ingested; site of primary fat digestion

Answer 9

Stomach

Question 10

Site of primary lipid digestion

Answer 10

Small Intestine

Question 11

Absorbs nutrients from the stomach through small finger-like projection

Answer 11

Microbilli

Question 12

Parts of small intestines

Answer 12

Duodenum
Jejenum
Ileum

Question 13

Longest portion of the small intestine

Answer 13

Illeum

Question 14

Absorption fo water not absorbed in the small intestine; serves temporary storage of undigested materials

Answer 14

Large Intestine

Question 15

Serves as the exit point of the fecal materials from the body

Answer 15

Rectum

Question 16

Masticated food materials that passes through the esophagus

Answer 16

Bolus

Question 17

Mechanically and chemically digested food materials from the stomach acted upon by the acidic substances in it.
It enters the duodenum of the small intestine for completion of digestion.

Answer 17

Chyme

Question 18

Secretion that protects the walls of the stomach against the acidic environment in it; activated into mucus when reacted with water

Answer 18

Secretion : Mucin

Cell Type : Mucin neck cell

Question 19

Secretion that activates pepsinogen into pepsin; maintains the acidity of the stomach

Answer 19

Secretion: HCl

Cell Type: Parietal cells

Question 20

Types of Chief cells

Answer 20

Pepsinogen
Rennin
Lipase

Question 21

Cell types for secretion

Answer 21

Mucin Neck cell
Parietal cells
Chief cells

Question 22

Secretion that reacts with HCl to be activated into pepsin and carry out chemical digestion in the stomach

Answer 22

Pepsinogen

Question 23

Secretion that digest milk into young mammals

Answer 23

Rennin

Question 24

Secretion that digest in the stomach

Answer 24

Lipase

Question 25

Protects the stomach walls only if it has been activated into mucus

Answer 25

Mucin

Question 26

Voice box

Answer 26

Larynx

Question 27

Increase of surface area for digestion in the Small intestine

Answer 27

Villi

Question 28

Threshold for large intestine bowel movement

Answer 28

50 mmhg

Question 29

G cell -> GASTRIN -> stimulates_______ to secrete ___

Answer 29

G cell -> GASTRIN -> stimulates parietal cells to secrete HCl

Question 30

Chief cells ->_______

Answer 30

Pepsinogen

Question 31

___cleaves_______to its Active for, _____ its needed for protein digestion

Answer 31

HCl cleaves pepsinogen to its Active for, pepsin its needed for protein digestion