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Biol 205 > Ch. 25 > Flashcards

Ch. 25 Flashcards

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
Q

greater omentum is suspended between

A

greater omentum

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26
Q

mouth is the opening to

A

oral cavity

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27
Q

oral cavity lined by

A

oral mucusa

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28
Q

lips are

A

skeletal muscle

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29
Q

gums are attached by

A

labial frenulum

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30
Q

cheeks formed by

A

buccal fat and buccinator muscles

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31
Q

oral vestibule is the space between

A

cheeks/lips and teeth

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32
Q

hard palate formed by

A

mailla and palatine

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33
Q

hard palate marks

A

boundary for food

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34
Q

soft palate close off

A

nasopharynx for swallowing

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35
Q

bolus is

A

chewed up wad and food with enxyjmes

36
Q

tongue helps

A

swallowing and chewing, speech

37
Q

tongue sensory

A

taste, touch, temp

38
Q

cn tongue

A

CN7
cn9
Cn 5

39
Q

lingual lipase helps with

A

fat digestion

40
Q

CN 12 helps control

A

tongue muscles

41
Q

intrinsic tongue muscles change

A

shape of tongue

42
Q

extrinsic tongue muscles extend

A

from skull and hyoid bones to alter tongues position

43
Q

attaches tongue to floor of oral cavity by

A

lingual frenulum

44
Q

saliva a day

A

1-1.5 liters

45
Q

saliva not water

A

enzymes, ions, salivary amylase, buffers, mucins, waste

46
Q

saliva functions

A

lubricates food
dissolves tastants
control bacterial population

47
Q

salivary glands

A

parotid
sublingual
submandibular

48
Q

largest saliva gland

A

parotid gland

49
Q

parotid gland is drained by

A

parotid duct

50
Q

submandibular glands are under

A

floor of oral cavity

51
Q

what produces 70% of saliva

A

submandibular glands

52
Q

parotid causes viral infeciton

A

mumps

53
Q

glands below tongue

A

sublingual glands

54
Q

chewing is called

A

mastication

55
Q

part of tooth we see over gum

A

crown

56
Q

crown hard substance covering

A

enamel

57
Q

gumline is

A

gingivae

58
Q

teeth extend below gums

A

root

59
Q

sockets in teeth gums

A

alveoli

60
Q

root of teeth covered by

A

cement

61
Q

holds tooth in socket by

A

periodonatl ligament

62
Q

bulk tooth volume formed by

A

dentine

63
Q

teeth nerves come from

A

CN V

64
Q

below dentine is the

A

pulp cavity

65
Q

blood vessels and nerves from CNV via

A

root vanal and apical foramen

66
Q

front teeth on top and bottom

A

incisors

67
Q

incisors are for

A

cutting nipping

68
Q

canines are for

A

tearing, piercing

69
Q

premolars are for

A

crushing, grinding

70
Q

molars are for

A

crushing
grinding

71
Q

how many deciduous teeth

A

20 baby teeth

72
Q

secondary detention is

A

permanent jteeth

73
Q

how many permanent teeth

A

32 with wisdom

74
Q

pharynx connects

A

nasal and oral cavities to larynx and esophagus

75
Q

food passes from oral cavity into

A

oropharynx and then laryngopharynx

76
Q

deglutition is

A

swallowing

77
Q

oral cavity, pharynx, and esophagus help

A

deglutition

78
Q

esophagus is inches long

A

10

79
Q

stomach produces

A

chyme

80
Q

stomach convert bolus to

A

chyme

81
Q

pyloric is

A

mechanical processing

82
Q

parietal cells secrete

A

HCL

83
Q

chief cells secrete

A

pepsinogen

84
Q

enteroendocrine cells release

A

hormones into interstitial fluid

85
Q

mucous neck cells secrete

A

mucus

86
Q

pepsinogen is

A

inactive form
needs acidic environment to be pepsin

87
Q

parietal cells initiate

A

chief cells

Biol 205 (45 decks)

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