Digestive system Flashcards

1
Q

Source of Saliver

A

Salivary glands

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2
Q

Source of bile

A

Liver

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3
Q

Source of gastric juices

A

Stomach

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4
Q

Source of pancreatic juices

A

Pancreas

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5
Q

Source of intestinal juices

A

Small intestinal wall

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6
Q

Site of action saliver

A

mouth

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7
Q

Site of action bile

A

duodenum

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8
Q

Site of action gastric juices

A

stomach

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9
Q

Site of action pancreatic juices

A

duodenum

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10
Q

Site of action intestinal juices

A

small intestines

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11
Q

what Enzymes are in saliva

A

None

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12
Q

what Enzymes are in bile

A

Bile salts

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13
Q

What Enzymes are in gastric juices

A

Pepsin
Lipase

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14
Q

What Enzymes are in pancreatic juices

A

Trypsin
Peptidases
Amylase
Lipase

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15
Q

What Enzymes are in intestinal juices

A

Peptidases
Disaccharidases

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16
Q

Saliva act on

A

Food

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17
Q

Bile acts on

A

Fat

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18
Q

Pancreatic juices action

A

Proteins
Carbohydrates
Fat droplets

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19
Q

Gastric acids act on

A

Protein and fats

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20
Q

Intestinal juices act on

A

Proteins
Carbohydrates

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21
Q

Saliva is produced to

A

give lubrication

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22
Q

Gastric juices help to produce?

A

Polypeptides
Smaller fat molecules

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23
Q

What component does gastric juices needs to help break down fat and produce polypeptides

A

Hydrochloric
acid

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24
Q

What molecules does the pancreatic juices produce

A

Dipeptides
Amino acids
Polysaccarides
Fatty acids,
glycerol

Bicarbonate

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25
Q

Intestinal juices produce?

A

Amino acids
Monosaccharides
Mucous bicarbonate

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26
Q

Saprophytes

A

Feed on dead or decaying material

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27
Q

Holozoic feeders

A

Take food into their bodies and digest it

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28
Q

Egestion

A

Elimination of undigestible food from the body

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29
Q

parts of the digestive system

A

Mouth
Pharynx
Oesophagus
Stomach
Small Intestine
Large Intestine
Anus

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30
Q

Accessory Glands of the digestive system

A

Salivary glands
Pancreas
Liver
Gall bladder

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31
Q

Dental Formulae Adult dog

A

42
I:3/3, C1/1, PM 4/4 M 2/3

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32
Q

Dental Formulae Adult Cat

A

30
I: 3/3 C:1/1 PM 3/2 M:1/1

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33
Q

Dental Formulae Puppy

A

I 3/3 C 1/1 Pm 3/3 M 0/0

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34
Q

Dental formulae kitten

A

I 3/3 C 1/1 Pm 3/2 M 0/0

35
Q

Dental formulae rabbit

A

I 2/1 C 0/0 Pm 3/2 M 3/3

36
Q

4 Pairs Of Salivary Glands?

A

Paratid gland
sublingual gland
mandibular gland
zygomatic gland

37
Q

Pharynx function

A

Forms a cross-over between the digestive and the respiratory
systems

38
Q

Eustachian (auditory) tube

A

Connects middle ear

39
Q

Oesophagus

A

pharynx to the cardiac sphincter of the stomach

40
Q

time it takes for bouls of food to be swollowed

A

15-30 seconds

41
Q

Stomach location

A

cranial abdomen, slightly to the left side of the body.

42
Q

4 main functions of the stomach?

A

Act as a reservoir for food.
Mix and break up the food
Begin protein digestion
Secretes gastrin into blood

43
Q

Locations within the stomach?

A

cardiac, fundus, body, and
pyloric regions

lesser curvature: right
greater curvatures: left

44
Q

Type of tissue stomach is lined with

A

simple columnar epithelium

45
Q

5 main Gastric glands

A

Mucous and goblet cells
Parietal cells
Chief cells
Endocrine (D&G cells)
Enterochromaffin-like cells

46
Q

Small Intestine role

A

enzymatic digestion absorption

47
Q

Gall bladder

A

Stores bile produced by liver

48
Q

4 layers of tissue within the wall of the small intestine?

A

The mucosa: simple columnar epithelium with villi
The submucosa
The smooth muscle
The serosa - outer layer

49
Q

Name of glands in duodenum

A

Brunners gland

50
Q

Name of glands located in the Jejunum and Ileum

A

Crypts of Lieberkühn

51
Q

Function of Large Intestine

A

absorb water, vitamins and electrolytes

52
Q

The structures of large intestine of the dog consists

A

Caecum
Ascending colon
Transverse colon
Descending colon
Rectum
Anus

53
Q

Caecum

A

blind ending sac

54
Q

Role of caecum in rabbits and Guinea pigs

A

contains bacteria
which breaks down cellulose

55
Q

ileo-caecal valve

A

Controls passage of food from the ileum to the large intestines or colon

56
Q

colon/large intestine main function

A

absorbs water
compacts waste

57
Q

Function of goblet cells in large intestine

A

To produce Mucus to
aid the passage of faeces out of the rectum

58
Q

Stercobilin?

A

a pigment derived from bile which gives faeces its
colour

59
Q

Whats the largest gland in the body

A

Liver

60
Q

Liver location

A

cranial abdomen between the stomach and
diaphragm

61
Q

Function of the liver (9)

A

Produces bile
Regulates amino acids
Stores glucose (glycogen)
Stores fat (fat soluble vitamins)
Produces all clotting factors
Produces albumin and globulin
Detoxifies dangerous waste
Destroys old RBC
Stores Iron

62
Q

falciform ligament

A
63
Q

Liver Blood Supply

A

TOWARDS: hepatic artery (oxygenated)
hepatic portal vein

AWAY: The hepatic vein

64
Q

The liver produces or synthesises

A

Glycogen
Cholesterol
Plasma proteins
Bile salts
Bile pigments
Bicarbonate
Haemosiderin
* Urea
* Erythropoietic factor (this is the substance which stimulates bone marrow to
make red blood cells)

65
Q

2 bile salts

A

Sodium glycocholate, sodium taurocholate

66
Q

Name a bile pigment

A

bilirubin, biliverdin

67
Q

what is urea?

A
68
Q

what is Haemosiderin

A
69
Q

function of Erythropoietic

A

stimulates production of blood cells in bone marrow

70
Q

Gall Bladder function

A

Stores bile produced y live

71
Q

The Pancreas

A

Endocrine: secrete insulin & glucagon into the blood.
(islets of langerhans)
Exocrine: secrete digestive enzymes that act upon carbohydrates, proteins and fats

72
Q

Action of Amylase

A

breaks down starch to maltose

73
Q

Action of lipase

A

breaks down fats to fatty acids and glycerol

74
Q

Action of trysinogen

A

converted to active trypsin acts on protein

75
Q

Action of trypsin

A

acts on peptides and other proteins

76
Q

Ammonia

A

type of nitrogenous
waste (e.g urea)

77
Q

pH of saliva

A

6.5

78
Q

ph of gastric juice

A

1.5

79
Q

pH of bile, pancreatic juice

A

7-8

80
Q

what is an Enzymes

A

Protein molecules that increase the speed of chemical reactions in the
body

81
Q

Villi

A

Hair like projections linging intestinal wall (increase surface area)

82
Q

Hydrolysis

A

Splitting of substances with use of water

83
Q

Glycerol

A

combination of oils & fats