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Biology 102 > Chapter 2 GI > Flashcards

Chapter 2 GI Flashcards

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0
Q

What composes the digestive system

A 
Mouth 
Salivary glands 
Esophagus 
Stomach 
Liver
Gallbladder 
Spleen 
Pancreas 
Duodenum 
Small intestine 
Appendix
Large intestine 
Rectum 
Anus
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1
Q

Functions of the Digestive system

A

Ingestion
Digestion
absorption and
Elimination of food

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2
Q

Portions of the small intestine

A

Duodenum
Jejunum
Ileum

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3
Q

Portions of the large intestine

A 
Cecum
Ascending colon
Haptic flexure 
Transverse colon 
Splenic flexure 
Descending colon 
Sigmoid colon
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4
Q

6 classes of food

A 
Carbohydrates 
Protein 
Lipids 
Minerals 
Vitamins 
Water
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5
Q

B vitamin

A

Energy metabolism

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6
Q

C vitamins

A

Antioxidant, connective tissue maintenance

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7
Q

A vitamins

A

Skin and vision maintenance

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8
Q

D vitamins

A

Bone and teeth maintenance mineral absorption

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9
Q

E vitamins

A

Antioxidant

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10
Q

K vitamin

A

Blood clotting

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11
Q

Glycogen

A

Glc-glc-glc-glc

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12
Q

Glc-glc

A

Maltose

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13
Q

Glc-fru

A

Sucrose

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14
Q

Glc- gal

A

Lactose

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15
Q

Glc

A

Glucose

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16
Q

Fru

A

Fructose

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17
Q

Gal

A

Galactose

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18
Q

Digestion

A

The breakdown of food into small soluble particles by mechanical separation, hydrolysis, and enzyme breakdown

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19
Q

Proteins are broken down into

A

Amino acids

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20
Q

Glycogen and starches are broken down into

A

Glucose

21
Q

Lipids are broken into

A

Fatty acids

22
Q

Carbohydrates are broken into

A

Glucose

23
Q

Proteins are broken into

A

Amino acids

24
Q

Functions of the mouth

A

Mechanically separate food

25
Q

Function of salivary glands

A

Produce saliva

26
Q

Contents of saliva

A

Ph buffers
Lysosomes
Mucin and water
Salivary amylase

27
Q

Function of the tongue

A

Push food to the esophagus

28
Q

Parastalisis

A

Rhythmic movement of the esophagus

29
Q

Four layers of the stomach

A

Mucosa
Sub mucosa
Muscularus
Serosa

30
Q

Hormone secreted when food reaches the stomach

A

Gastrin

31
Q

What does the release of Gastrin cause

A

The secretion of HCl and gastric juice

32
Q

Goblet cells are also known as

A

Muses

33
Q

Muses secrete

A

Mucus

34
Q

Function of mucus in the stomach

A

To coat and protect the stomach lining from digestive juices

35
Q

Zymozin

A

Inactive or precursor form

36
Q

Pepsin’s zy motion form

A

Pepsinogen

37
Q

Pepsin

A

K

38
Q

Chief cells in the stomach produce

A

Pepsinogen

39
Q

HCl is produced by

A

Parietal cells

40
Q

Function of HCl in the stomach

A

Converts Pepsinogen into pepsin
Kills germs
Helps dissolve minerals
Provides Pepsin with medium to work in

41
Q

Hormone used to inhibit gland secretion and stimulate the pancreas

A

Secretin

42
Q

Emulsification

A

The process of breaking down fats with bile salts

43
Q

Inactive protein digestive Pancreas enzymes

A

Tripsinogen
Chymotrypsinogen
Procarboxy peptidase

44
Q

Active tripsinogen

A

Tripsen

45
Q

Active chymotrypsinogen

A

Chemotrypsin

46
Q

Active procarboxy peptidase

A

Carboxy peptidase

47
Q

What is the function of both salivary and pancreatic amylase

A

Digest carbohydrates

48
Q

What enzyme helps in the digestion of fat

A

Lipase

49
Q

Carbohydrate digestive enzyme produced by the pancreas

A

Pancreatic amylase

Biology 102 (5 decks)

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