GI: Structure

Question 1

what structures make up the tubular GI tract

Question 2

what are the GI system accessory organs

Question 3

t/f most carb and lipid digestion happens in the mouth

Question 4

what is the role of the tongue?

Question 5

what is the role of the teeth?

Question 6

in which part of the tubular GI tract does saliva play a role?

Question 7

overall function of the mouth?

Question 8

which part of the tubular gi tract does the swallowing reflex come into play?

Question 9

whats the role of the epiglottis?

Question 10

what is the swallowing reflex

Question 11

does digestion occur in the esophagus

Question 12

what is the role of the esophagus

Question 13

where does the most digestion occur

Question 14

three parts of the small intestine

Question 15

role of the small intestine

Question 16

what organs work with the small intestines

Question 17

how does the liver help with digestion

Question 18

how does the pancreas help with digestion

Question 19

where do liver secretions come from

Question 20

what happens in the large intestine

Question 21

what are the parts of the small intestine

Question 22

t/f no water is absorbed in the large int

Question 23

why are people with inflamed colons more susceptible to dehydration

Question 24

what are the four layers of the gi tract

Question 25

what is the mucosa responsible for

Question 26

what does the submucosa do

Question 27

muscularis function

Question 28

what does the serosa do

Question 29

where are the submucosal plexus and myenteric plexus found

Question 30

where are the villi found

Question 31

what are the four spec cells of the mucosa

Question 32

what do transport cells do

Question 33

what do enteroendocrine cells do

Question 34

what do exocrine cells do

Question 35

what are the two type of exocrine cells and what do they do

Question 36

where is the enteric nervous system found

Question 37

myeneteric plexus role

Question 38

submucosal plexus role

Question 39

how do the two plexus work together to digest food

Question 40

explain how an external stimulus leads to a digestive system response

Question 41

explain how a local stimulus can lead to digestive system response (two ways)

Question 42

what is the enteric nervous system

Question 43

describe the three ways a stimulus can lead to digestive response

Question 44

what is the function of parasymp control of the digestive system

Question 45

where do parasymp nerves originate from and what do they do (GI tract)

Question 46

achetylcholine is released onto the GI tract in which control system? what does this do?

Question 47

overall function of symp control on digestive system

Question 48

what does the symp system release on gi tract? role?

Question 49

describe paths from symp chain in spinal cord to each part of the digestive tract

Question 50

describe the three mechanisms for regulating digestive activities

Question 51

what happens when you eat (ie: what happens to the three reg dig mechanisms)

Question 52

explain blood pathway in splanchnic circulation

Question 53

why do we need the hepatic portal vein

Question 54

stomach is supplied by which artery

Question 55

small int is supplied by which artery

Question 56

large int is supplied by which artery

Question 57

how is blood circulated in the villi

Question 58

role of cappilaries in villi

Question 59

what is the role of central lacteals

Question 60

role of hepatic vein

Question 61

where does hepatic portal vein bring blood from

Question 62

where does sup mesenteric vein bring blood from

Question 63

where does inf mesenteric vein bring blood from

Question 64

where do gi veins go to

Question 65

what kind of blood is in the liver

Question 66

what does the central vein do

Question 67

what do hepatocytes do

Question 68

what kind of blood pools in sinusoids

Question 69

what happens in the liver

Question 70

what is absorbed from the gi tract and goes through the hep portal vein

Question 71

what is secreted into the duodenum from the bile duct

Question 72

what is secrete into the liver from the hepatic artery

Question 73

what goes from the liver through the hep vein