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UL PARAMEDICS > ANATOMY + PHYSIOLOGY GI TRACT > Flashcards

ANATOMY + PHYSIOLOGY GI TRACT Flashcards

1
Q

PERITONEUM

A

SEROUS membrane that lines the abdominal cavity and covers the abdominal organs

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2
Q

LAYERS OF PERITONEUM

A

Parietal peritoneum - outer layer
Visceral peritoneum - inner layer

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3
Q

What is the Peritoneal cavity?

A

Space found between the parietal and visceral layers of the peritoneum
(Filled with peritoneal fluid)

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4
Q

What is peritonitis?
How does it present?

A

Inflammation of the peritoneum

Fever, mental confusion, abdominal pain

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5
Q

What is mucosa?

A

Soft tissue that lines the body’s canals and organs in the digestive/respiratory/reproductive systems.

AKA mucous membrane (IMPORTANT FOR IMMUNITY)

3 LAYERS:
- epithelium
- lamina propria
- muscularis mucosae

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6
Q

What are Chief cells?

A

Gastric gland base: produce pepsinogen (protein digestion)

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7
Q

What are Chief cells?

A

Gastric gland base: produce pepsinogen (protein digestion)

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8
Q

What is peristalsis?

A

Involuntary (wave like) muscle movement that occurs in the digestive system

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9
Q

Function of the small intestine

A

Digestion
Absorption
Segmentation
Peristalsis

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10
Q

Where is the appendix

A

Lower right quadrant

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11
Q

Chemical digestion

A

Salivary glands secrete saliva

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12
Q

Amylase

A

Hydrolyses starch and glycogen

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13
Q

Mucus (chemical digestion)

A

Protects mouth and lubricates food

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14
Q

Lysozymes (chemical digestion)

A

Antibacterial

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15
Q

Deglutition

A

Swallowing

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16
Q

What is Rugae in the stomach

A

Folds increasing surface area

17
Q

What is chyme?

A

Food and gastric juice

18
Q

Duodenum

A

First part of small intestine

19
Q

What do exocrine cells in the pancreas do?

A

Produce and secrete pancreatic juice (aids digestion) into the duodenum

20
Q

Where does bile go after it leaves the gall bladder?

A

Secreted into the duodenum

21
Q

What artery/vein supplies the liver?

A

Hepatic

22
Q

What is bile?

A

Digestive secretion
Breaks down fats and removes wastes

23
Q

What is the jejunum?

A

Second part of the small intestine

24
Q

Ileum

A

Final section of the small intestine (largest)

25
Q

What are the crypts of lieberkuhn

A

Secrete intestinal juices and hormones (small intestine)

26
Q

Where does most digestive absorption occur?

A

Small intestine

27
Q

What happens in the colon?

A

Chyme converted into faeces (water and electrolytes reabsorbed)

28
Q

What pattern of contraction allows for mixing function

A

Segmental contractions

29
Q

Phases of digestion?

A

CEPHALIC
GASTRIC
INTESTINAL

30
Q

What is polyphagia?

A

Extreme hunger that may not be satisfied by eating

31
Q

What is a polypeptide?

A

Chain of amino acids

UL PARAMEDICS (33 decks)

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