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A&P 202 > Digestion > Flashcards

Digestion Flashcards

1
Q

Phases of digestion?

A 
Ingestion
Movement
Mechanical and Chemical digestion
Absorption
Elimination
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2
Q

Two main types of digestion?

A

Mechanical and Chemical

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3
Q

Mechanical examples

A

Chewing
Tear
Grind
Mash

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4
Q

Four layers of Alimentary Canal?

A

Serosa Layer
Muscular Layer
Submucosa
Mucosa

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5
Q

How long is the average adult’s digestive tract?

A

30 feet or 9 meters in length

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6
Q

How long does it take for food to move through the stomach & small intestines?

A

6-8 hours

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7
Q

Which hormone stimulates hunger?

A

Ghrelin

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8
Q

Which hormone suppresses appetite?

A

Peptide YY

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9
Q

What nutrient components are proteins broken down into by the digestive system?

A

Amino Acid

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10
Q

Fatty Acids & Glycerol are the building blocks of what?

A

Fats

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11
Q

Simple Sugars are the building blocks of what?

A

Carbohydrate

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12
Q

How many 8-ounce servings of water should be consumed daily – at a minimum?

A

Eight

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13
Q

Health experts generally recommend that Americans increase their intake of which of the following?

A

Fiber

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14
Q

Which of the following frequently causes obstructions in the small intestines?

A

Adhesion, Tumor, Hernia

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15
Q

Serosa layer is the? Function?

A

Outermost layer

Moisten and protect

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16
Q

Muscular layer function?

A

Contracts and expands

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17
Q

Submucosa layer function? Contain?

A

Contain lymph, nerves and glands that nourish and carry away waste

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18
Q

Mucosa layer is the? Function?

A

Innermost layer

Secrete mucus, digestive enzymes

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19
Q

What tonsil play a big role in immune system?

A

Lingual, Palatine

20
Q

Ridges on the hard palate are called?

A

Rugae

21
Q

The tongue mixes food with?

A

Saliva

22
Q

Amylase breaks down?

A

Starches

23
Q

Term for swallowing?

A

Deglutition

24
Q

Food is called what after swallowing?

A

Bolus

25
Q

What connects the tongue to the floor of the mouth?

A

Lingual frenum

26
Q

How long is the esophagus?

A

10 inches

27
Q

Function of esophagus?

A

Secrete, move food by peristalsis,

28
Q

Stomach is loacted where?

A

Left hypochondriac region

29
Q

Bolus mixed with gastric juice is called?

A

Chyme

30
Q

What is gastrin?

A

Increase gastric juices released

31
Q

Cardiac region of the stomach?

A

Closest to the heart

32
Q

Fundus region of the stomach?

A

Upper rounded portion

33
Q

Body of the stomach?

A

Majority of the stomach

34
Q

Pyloric region of the stomach?

A

Narrowed bottom part that empty into small intestine

35
Q

What controls the emptying into the stomach?

A

Pyloric sphincter

36
Q

Three parts of small intestine?

A

Duodenum, Jejunum, Ileum

37
Q

Mesentery

A

Holds small intestine together

38
Q

Lesser omentum starts and stops where?

A

Stomach, liver, top of intestine

39
Q

Great omentum starts and stops where?

A

Covers majority of small and large intestine

40
Q

The small intestine is how long?

A

22ft long

41
Q

Parts of the large intestine?

A

Cecum, ascending colon, transverse colon, descending colon, sigmoid, rectum

42
Q

Undigested waste that couldnt be absorbed can stay in the large intestine for how long?

A

12-24 hours

43
Q

What hangs from the cecum?

A

Appendix

44
Q

How long is the large intestine?

A

5 ft

45
Q

What is found only in the Ileum?

A

Peyers patches

46
Q

Peyers patches does what?

A

Catch bacteria from going backwards

47
Q

Duodenum is always in what layer?

A

Submucosa

A&P 202 (8 decks)

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