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Biol 205 > Ch. 25 > Flashcards

Ch. 25 Flashcards

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1
Q

ingestion is

A

eating or drinking

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2
Q

chewing food, occurs in gi tract

A

mechanical processing

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3
Q

breaking of chemical bonds, enzymes starts in oral cavity

A

chemical digestion

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4
Q

producing enzymes to break chemical bonds, acids in stomach

A

secretion

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5
Q

absorption happens

A

in large and small intestine, nutrients being absorbed

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6
Q

excretion occurs with

A

bilirubin is released from it, doesn’t do with digestion

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7
Q

compaction occurs

A

with dehydration, help with feces to be

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8
Q

defaction

A

poop

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9
Q

digestive protects with

A

flora in large intestine

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10
Q

deepest layer next to lumen

A

mucosa

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11
Q

mucusal epithelium is

A

deepest

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12
Q

muscularais muscoase help

A

contract and move plicae

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13
Q

order of gi tract deep to super

A

mucosa, submucosa, muscularis externa, serosa

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14
Q

submucosa contains

A

large blood vessels, lymphatics, and exocrine glands

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15
Q

peristalsis is helping

A

movement through the tract

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16
Q

segmentation helps physically

A

break down and mix with enzymes

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17
Q

persistalis and segmentation are included with

A

muscularis externa

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18
Q

most digestive organs reside within the

A

peritoneal cavity

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19
Q

visceral peritoneum is on the surfaces of

A

organs

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20
Q

parietal peritoneium lining

A

body wall

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21
Q

organs suspended in cavity by

A

mesentery connecting the serosae

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22
Q

retroperitoneal organs include

A

ones that develop from embryonic gut

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23
Q

examples of retroperitoneal

A

ureters
kidneys
aorta

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24
Q

ventral mesentary most of the time

A

dissappears

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25
greater omentum is suspended between
greater omentum
26
mouth is the opening to
oral cavity
27
oral cavity lined by
oral mucusa
28
lips are
skeletal muscle
29
gums are attached by
labial frenulum
30
cheeks formed by
buccal fat and buccinator muscles
31
oral vestibule is the space between
cheeks/lips and teeth
32
hard palate formed by
mailla and palatine
33
hard palate marks
boundary for food
34
soft palate close off
nasopharynx for swallowing
35
bolus is
chewed up wad and food with enxyjmes
36
tongue helps
swallowing and chewing, speech
37
tongue sensory
taste, touch, temp
38
cn tongue
CN7 cn9 Cn 5
39
lingual lipase helps with
fat digestion
40
CN 12 helps control
tongue muscles
41
intrinsic tongue muscles change
shape of tongue
42
extrinsic tongue muscles extend
from skull and hyoid bones to alter tongues position
43
attaches tongue to floor of oral cavity by
lingual frenulum
44
saliva a day
1-1.5 liters
45
saliva not water
enzymes, ions, salivary amylase, buffers, mucins, waste
46
saliva functions
lubricates food dissolves tastants control bacterial population
47
salivary glands
parotid sublingual submandibular
48
largest saliva gland
parotid gland
49
parotid gland is drained by
parotid duct
50
submandibular glands are under
floor of oral cavity
51
what produces 70% of saliva
submandibular glands
52
parotid causes viral infeciton
mumps
53
glands below tongue
sublingual glands
54
chewing is called
mastication
55
part of tooth we see over gum
crown
56
crown hard substance covering
enamel
57
gumline is
gingivae
58
teeth extend below gums
root
59
sockets in teeth gums
alveoli
60
root of teeth covered by
cement
61
holds tooth in socket by
periodonatl ligament
62
bulk tooth volume formed by
dentine
63
teeth nerves come from
CN V
64
below dentine is the
pulp cavity
65
blood vessels and nerves from CNV via
root vanal and apical foramen
66
front teeth on top and bottom
incisors
67
incisors are for
cutting nipping
68
canines are for
tearing, piercing
69
premolars are for
crushing, grinding
70
molars are for
crushing grinding
71
how many deciduous teeth
20 baby teeth
72
secondary detention is
permanent jteeth
73
how many permanent teeth
32 with wisdom
74
pharynx connects
nasal and oral cavities to larynx and esophagus
75
food passes from oral cavity into
oropharynx and then laryngopharynx
76
deglutition is
swallowing
77
oral cavity, pharynx, and esophagus help
deglutition
78
esophagus is inches long
10
79
stomach produces
chyme
80
stomach convert bolus to
chyme
81
pyloric is
mechanical processing
82
parietal cells secrete
HCL
83
chief cells secrete
pepsinogen
84
enteroendocrine cells release
hormones into interstitial fluid
85
mucous neck cells secrete
mucus
86
pepsinogen is
inactive form needs acidic environment to be pepsin
87
parietal cells initiate
chief cells

Biol 205 (45 decks)

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