Gastrointestinal Lecture 1 Part 2 General Overview Flashcards

1
Q

Functions of gastrointestinal physiology

A
  • Motility
  • Digestion
  • Absorption
  • Secretion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Motility refers to …?

A

Motility refers to the movements of the gastrointestinal tract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the 2 purposes of motility?

A
  1. Moves contents from the mouth to the anus
  2. Mixes contents to facilitate digestion and absorption
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Digestion

A

process of breaking down large particles of food and high-molecular weight substances into small molecules

  • Breaking down molecules into building block so they can be absorbed; digestion primarily occurs in stomach and small intestine and absorption mostly happens in small intestine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where does digestion primarily happen?

A

stomach and small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Absorption

A

movement of the products of digestion across the intestinal epithelium into the body

  • circulation moves around to supply body
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Secretion

A

Release of substances into the lumen of the gastrointesintal tract, which facilitate digestion, absorption and motility

  • occurs all along GI tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How are function of GI interdependant?

A

optimizes absorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly