quiz 7/ midterm week

Question 1

peristalsis contractions

Answer 1

food is moved thru alimentary track by..

Question 2

peristaltic action

Answer 2

wave-like contractions and relaxations, smooth muscles contract while others relax

Question 3

peristalsis

Answer 3

this is a characteristic thru the entire digestive tract

Question 4

upper esophageal sphincter

Answer 4

most superior part of the esophagus

Question 5

lower esophageal sphincter

Answer 5

medial part of the esophagus

Question 6

cardiac sphincter

Answer 6

other name for the lower esophageal sphincter

Question 7

stomach

Answer 7

most inferior part of the esophagus

Question 8

immediately posterior to the trachea

Answer 8

location of the esophagus

Question 9

only for swallowing

Answer 9

the esophagus is only open for….

Question 10

collapsed

Answer 10

the esophagus is normally this…

Question 11

cervical, throacic, and abdominal

Answer 11

3 divisions of the esophagus

Question 12

cricopharngenus to the sternal notch

Answer 12

location of the cervical esophagus

Question 13

sternal notch to diaphragmatic hiatus

Answer 13

location of the thoracic esophagus

Question 14

external fibrous layer

Answer 14

shrink wrap around the esophagus, outer most layer

Question 15

longitudinal muscle layer

Answer 15

this runs up and down the esophagus, outer layer

Question 16

circular muscle layer

Answer 16

this is deep to the longitudinal layer, inner layer

Question 17

longitudinal and circular muscle layer

Answer 17

together these 2 things create peristaltic actions

Question 18

Auerbach’s Plexus

Answer 18

submucosal layer of the esophagus, network of nerve fibers that coordinate peristaltic movement

Question 19

6-7 liters of mucous

Answer 19

this amount is secreted from the alimentary tract every day

Question 20

reabsorbed

Answer 20

most of the secreted mucous in the digestive tract is…

Question 21

sphincter

Answer 21

ring of muscle, constantly changing = relax and tighten, neural control

Question 22

cardiac sphincter

Answer 22

upper terminus of the stomach

Question 23

pyloric sphincter

Answer 23

lower terminus of the stomach

Question 24

body

Answer 24

main portion of the stomach

Question 25

fundus

Answer 25

most superior portion of the stomach

Question 26

pylorus

Answer 26

most inferior portion of the stomach

Question 27

antrum

Answer 27

last section of stomach before the pyloric sphincter

Question 28

close off

Answer 28

the antrum can _____ from the rest of the stomach

Question 29

greater curvature

Answer 29

the outside curve of the stomach

Question 30

lesser curvature

Answer 30

the inner curve of the stomach

Question 31

outer longitudinal

Answer 31

outer muscle layer of the stomach

Question 32

inner circular

Answer 32

middle muscle layer of the stomach

Question 33

oblique layer

Answer 33

inner muscle layer of the stomach

Question 34

submucosal layer

Answer 34

on the inside of the stomach muscle layers

Question 35

serosa

Answer 35

outer connective layer, "shrink wrap" of the stomach

Question 36

mucosa rugae

Answer 36

ridges of the stomach

Question 37

pepsinogen

Answer 37

enzyme maker, secreted precursor

Question 38

pepsin

Answer 38

when pepsinogen mixes with HCl it creates this

Question 39

pepsin

Answer 39

breaks down proteins

Question 40

oxyntic (parietal cells), peptic cells, mucus cells

Answer 40

the oxyntic gland contains...

Question 41

parietal cells

Answer 41

other name for oxyntic cells

Question 42

chief cells

Answer 42

other name for peptic cells

Question 43

parietal cells (oxyntic)

Answer 43

intrinsic factor is located in...

Question 44

absorb vitamin b12 in lower gut, create bloodcells

Answer 44

what does the intrinsic factor do

Question 45

pepsinogen

Answer 45

peptic cells (chief cells) contain

Question 46

Gastrin

Answer 46

what is in the pyloric glands

Question 47

causes the release of HCl

Answer 47

gastrin does...

Question 48

into the bloodstream

Answer 48

gastrin goes into..

Question 49

duodenum, jejunum, Ileum

Answer 49

3 parts of the small intestine

Question 50

duodenum

Answer 50

connects to the stomach, shortest and widest of SI

Question 51

Jejunum

Answer 51

40% length of SI, feeding tube placed here

Question 52

Ileum

Answer 52

most inferior part of the SI

Question 53

Ptyalin

Answer 53

breaks down starch into simple polysaccharides in the oral cavity

Question 54

esophagus

Answer 54

has no break down effects in the eating proces

Question 55

anti-acids, H2 blockers, PPI (proton pump inhibitors)

Answer 55

3 ways to get rid of too much HCl

Question 56

H2 blockers

Answer 56

prevent histamine from doing job

Question 57

proton pump inhibitors

Answer 57

shut down oxyntic cells entirely

Question 58

voice, swallowing probs

Answer 58

too much HCl acid can lead to...

Question 59

Pancreas

Answer 59

secretes sodium bicarbinate to neutralize stomach acid

Question 60

pancreas

Answer 60

enzymes in this structure break down all 3 major food types

Question 61

Liver

Answer 61

bile secretion, digestion of fat

Question 62

Sm. and Large Intestine

Answer 62

absorb everything that is left over from digestion

Question 63

Hepatic Portal System

Answer 63

blood drainage system, all blood that comes out of the intestines go back thru the liver for chemical "cleaning"