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ANS 319 > Gastric And Intestinal Digestion > Flashcards

Gastric And Intestinal Digestion Flashcards

1
Q

The esophagus has the ability to control what?

A

Peristaltic contractions

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2
Q

What species has an esophagus that is 2/3 striated and 1/3 smooth?

A

Monogastrics

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3
Q

What type of esophagus do ruminants have? Why?

A

Striated for more voluntary control

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4
Q

How many sphincters do ruminants posses?

A

3

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5
Q

The 4 parts of the stomach are

A

Esophageal, cardiac, fundic, pyloric

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6
Q

What is the ph of the stomach?

A

Around 2-3

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7
Q

3 functions of gastric digestion

A

Allow control of digesta into small intestine, hormone production, mixing

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8
Q

Gastric fluids include

A

Mucus, HCl

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9
Q

5 secretions in the gastric area:

A

HCl, mucus, pepsinogen, rennin, lipase

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10
Q

The cephalic phase is induced what by what type of reflex?

A

vagal reflex

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11
Q

A local reflex induces which phase?

A

Gastric phase

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12
Q

Duodenal distension stimulates what phase?

A

Intestinal phase

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13
Q

4 git hormones

A

Gastric, secretin, cholecystokinin, gastric inhibitory protein

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14
Q

What hormone is stimulated by food in the stomach?

A

Gastrin

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15
Q

What is the origin of secretin, CCK and GIP

A

Duodenum

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16
Q

What hormone has the ability to regulate appetite?

A

CCK

17
Q

What hormone slows motility ?

A

Secretin

18
Q

G- cells produce what hormone?

A

Gastrin

19
Q

What hormone stimulates the pancreas to male enzymes?

A

Secretin

20
Q

The small intestine is composed of?

A

Duodenum,jejunum, ileum

21
Q

Why does pH increase towards cellular pH throughout the small intestine?

A

Because of the sodium bicarbonate added by the Pancreas into chyme

22
Q

The mucosa, submucosa, muscularis, and serosa are components of what?

A

Intestinal wall

23
Q

The mucosa contains what to help increase surface area

A

Villi and folds

24
Q

The cells found in the villi are

A

Endocrine, Panneth, absorptive epithelial, and goblet

25
Q

In the basal membrane you can find what type of cells?

A

Endocrine

26
Q

Absorption epithelial alls are on what side?

A

Luminal

27
Q

What cells produce granules with antimicrobial properties

A

Panneth

28
Q

What are some secretions that are secreted from within the small intestine?

A

Mucus, enzymes, and pancreatic juices

29
Q

What are some pancreatic secretions and their pH?

A

The pH is 7.2 to 7.8 and the enzymes are amylase, lipase, proteases and nucleases

30
Q

Is bile an enzyme?

A

No, it is a surfactant

31
Q

Where is bile stored?

A

In the gallbladder

32
Q

The cecum colon and rectum compose what?

A

Large intestine

33
Q

Is there a probability of microbial cell protein to be absorbed in the large intestine?

A

No animals miss out on microbial cell proteins

ANS 319 (11 decks)

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