Digestion Flashcards
1
Q
Almost no protein or fat digestion occurs in mouth except
A
Lingual lipase secreted by Ebners glands on dorsal surface of tongue
2
Q
When swallowing
A
Larynx (glottis) up epiglottis down to seal trachea
3
Q
Swallowing procedure is regulated by
A
Medulla oblongota and pons
4
Q
stomach volumes
A
empty= 50 mL
meal = 1L
max = 4L
5
Q
gastric juice per meal
A
400-800 mL
6
Q
Parerial cells
A
Exocrine
Secrete HCl and intrinsic factor
7
Q
Enterochromaffin cells
A
Endocrine
secretes Histamine
8
Q
Chief cells
A
Exocrine
Secrete Pepsin and Gastric lipase
9
Q
D cells
A
Endocrine
Secrete somatostatin
10
Q
G cells
A
Endocrine
Secrete Gastrin
11
Q
Mucous neck cells
A
Exocrine
Secretes mucus and HCO3-
12
Q
Intrinsic factor
A
Protein that binds ingestied vit B12
13
Q
Ulcers cause by
A
Helicobacter pylori
14
Q
Small intestine length
A
6m / 17 feet
15
Q
Duodenum length
A
10-12 inches
