Digestive Terms

Question 1

Mastication

Answer 1

occurs in the mouth, where teeth grind food into small pieces

Question 2

Peristalsis

Answer 2

wave-like contractions of smooth muscles that move food along the digestive tract

Question 3

Fats are broken down into:

Answer 3

fatty acids & glycerol

Question 4

Carbohydrates are broken down from:

Answer 4

polysaccharides into monosaccharides

Question 5

Proteins are broken down into:

Answer 5

polypeptides & amino acids

Question 6

What is the function of Amylase:

Answer 6

breakdown of carbohydrates

Question 7

What is the function of Pepsin:

Answer 7

digests proteins

Question 8

What is the function of Lipase:

Answer 8

breakdown of fats

Question 9

define Deglutition:

Answer 9

the act of swallowing food

Question 10

What are the 3 phases of Deglutition?

Answer 10

Voluntary
Pharyngeal
Esophageal

Question 11

What is the type, location, and key actions of the 3 phases of Deglutition?

Answer 11

1. Voluntary: voluntary, mouth, tongue pushes bolus into oropharynx
2. Pharyngeal: involuntary, pharynx, uvula blocks nasal cavity, epiglottis covers larynx
3. Esophageal: involuntary, esophagus, peristalsis moves bolus down, LES relaxes.