Digestive System

Question 1

Define prehension

Answer 1

The process of acquiring food by grasping or seizing it to get the food into the mouth

Question 2

Define mastication

Answer 2

The mechanical breakdown of food I.e. chewing

Question 3

Define deglutition

Answer 3

The process or action of swallowing

Question 4

Define peristalsis

Answer 4

The process of moving food along the oesophagus

Question 5

Primary functions of the oesophagus

Answer 5

To transport food to the oral cavity to the stomach through peristalsis

Question 6

Functions of the stomach

Answer 6

Food storage
Mechanical breakdown of food (contractions)
Enzymatic breakdown of food from gastric juices

Question 7

Soup-like product in the stomach

Answer 7

Chyme

Question 8

Name of the smaller units that polysaccharides are broken down into

Answer 8

Monosaccharides

Question 9

Name of the small units that proteins are broken down into

Answer 9

Amino acids

Question 10

Which enzyme is involved in the breakdown of fats

Answer 10

Lipase

Question 11

What do G cells produce and what is its function?

Answer 11

Gastrin —> stimulates release of HCL

Question 12

What do parietal cells produce and what is its function?

Answer 12

Secretes HCl —> acidic so breaks down food and converts pepsinogen into pepsin

Question 13

What do the chief cells secrete and what is its function?

Answer 13

Pepsinogen—> converted into Pepsin by hcl which is then used to digest proteins

Question 14

What do goblet cells secrete and what is its function?

Answer 14

Mucous—> protects the stomach walls from HCL

Question 15

What is the correct order of the sections of the small intestine?

Answer 15

Duodenum Jejunum Ilium

Question 16

What is the name given to the finger-like projections found in the small intestine?

Answer 16

Villi