Digestive System 3- Unit 4 Flashcards

1
Q

Small intestine duodenum

A

First 10 inches

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2
Q

What enters the duodenum from gallbladder, stomach, and pancreas?

A

Bicarbonate (epithelium of main pancreatic duct)

Chyme (stomach)

Digestive enzymes (acinar cells)

Bile salts (liver)

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3
Q

What is absorbed in small intestine?

A

Lipids, proteins, complex carbohydrates

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4
Q

Small intestine modifications for surface area

A

Plicae Circularis- circular folds

Villi- ciliated simple columnar epithelium on plicae circularis

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5
Q

Purpose of lacteal

A

help with lipid absorption, found in villi

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6
Q

Brush-Border

A

Microvilli that digest carbs on villi of small intestine

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7
Q

What is absorbed in the large intestine?

A

Water and electrolytes

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8
Q

Hemmorrhoid

A

Swollen vein in rectum

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9
Q

How is the anal canal epithelium different from digestive tract?

A

Anal- Stratified squamous
Digestive- Simple columnar

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10
Q

In embryonic development, ligamentum teres drains blood into

A

Portal vein of liver

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11
Q

Portal triad of liver

A

Hepatic artery (into liver)
Bile duct (bile to small intestine)
Portal vein (from digestive system to liver)

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12
Q

Which major blood vessel does the central vein of a liver lobule drain towards?

A

Inferior vena cava

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13
Q

What surrounds islet cells in pancreas?

A

Acini cells

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14
Q

Pancreas acini cells produce

A

Digestive enzymes (exocrine)

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15
Q

Pancreatic ducts produce

A

Bicarbonate (exocrine)

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16
Q

Pancreatic alpha islets produce

A

Glucagon (raises blood glucose)

17
Q

Pancreatic beta islets produce

A

Insulin (lower blood glucose)

18
Q

Location of hepato-pancreatic sphincter relative to pancreatic and common bile ducts

A

Distal to both

19
Q

Renal artery flows

A

Into kidney

20
Q

Bicarbonate purpose

A

Neutralize chyme

21
Q

Intestinal crypts

A

Dips in intestine

22
Q

Falciform ligament

A

splits liver

23
Q

Lesser omentum

A

between liver and stomach

24
Q

Greater omentum

A

above large intestines