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Anaphy Finals > Digestion > Flashcards

Digestion Flashcards

1
Q

Types of digestion

A

Mechanical digestion
Chemical digestion

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2
Q

Digestive enzymes

A

Carbohydrate
Protein
Lipid

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3
Q

Phases of Digestion

A

Ingestion
Movement
Digestion
Absorption
Further digestion

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4
Q

Structures of GI tract

A

• Mouth
• Pharynx
• Esophagus
• Stomach
• Small Intestine
• Large Intestine
• Rectum

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5
Q

Linings of GI tract

A

Serosa
*outer connective tissue layer
*Peritoneum

Mucosa
*Mucous epithelium
*Lamina propria
*Muscularis mucosa

Submucosa

Muscularis
*Circular muscle layer
*Longitudinal muscle layer

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6
Q

Seorsa is lined by

A

*outer connective tissue layer
*Peritoneum

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7
Q

Mucosa is lined by

A

*Mucous epithelium
*Lamina propria
*Muscularis mucosa

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8
Q

Muscularis is lined

A

*Circular muscle layer
*Longitudinal muscle layer

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9
Q

3 parts of stomach

A

duodenum, jejunum, ileum

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10
Q

Stomach produces

A

amylase, protease, lipase, nuclease nutrient and water absorption

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11
Q

Accessory digestive system

A

Liver
Gallbladder
Pancreas

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12
Q

Digestive glands

A

Salivary glands
*produces amylase

Gastric glands

Pancreas

Intestinal glands

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13
Q

What are the enzymes produced by the salivary glands

A

Ptyalin or salivary amylase

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14
Q

Enzymes produced by gastric glands

A

Pepsin

Rennin (in infants)

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15
Q

Enzymes produced by pancreas

A

Pancreatic amylase
Trypsin
Chymotrypsin
Pancreatic lipase

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16
Q

Enzymes produced by intestinal glands

A

Maltase
Lactase
Sucrase
Lipase

17
Q

Structures in the mouth that aids digestion:

A

Teeth
- cut, tear, crush and grind food.
Salivary glands
- produce and secrete saliva into the oral cavity.

Mouth also contains
- Parotid (beneath the cheeks)
- Submaxillary (below the jaw bone)
- Sublingual (below the tongue)
- saliva moistens the
food and contains enzymes (ptyalin or salivary amylase) that begins digestion of starch into smaller polysaccharides.

18
Q

Mechanism/Phases of Swallowing

A

Buccal phase
Pharyngeal phase
Esophageal phase

19
Q

Gastric food contains

A

Proteins
Lipids

20
Q

They are produced in the stomach

A

Pepsin
*major enzyme

Mucus
*lubricates foods, converts bolus into liquid

21
Q

Small intestine absorbs

A

•80% ingested water
•Vitamins
• Minerals
•Carbohydrates
•Proteins
•Lipids

22
Q

Movement in small intestine

A

Mixing: Segmental contraction that occurs in small intestine
Secretion: Lubricate, liquefy, digest Digestion: Mechanical and chemical
Absorption: Movement from tract into circulation or lymph
Elimination: Waste products removed from body

23
Q

Liver filters outside

A

Toxins
Drugs
Alcohol
Poisons

24
Q

Types of wastes

A

Solid wastes
Metabolic wastes
-Carbon Dioxide
- Salts
-Urea

25
Q

Removal of wastes

A

Egestion
Excretion

Anaphy Finals (7 decks)

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