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Anat/Physio > Digestive System Part 3 > Flashcards

Digestive System Part 3 Flashcards

1
Q

What are the 9 regions of the abdominal cavity in order?

A

Right hypochondriac, epigastric, Left hypochondriac
Right lumbar, umbilical, Left lumbar
Right iliac, hypogastric, Left Iliac

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2
Q

The Lesser Omentum runs from the ____ _____ to the _____

A

lesser curvature; liver

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3
Q

The Greater Omentum runs from the ____ ____ to the _____ and covers the ______, _____, and _____

A

greater curvature to the duodenum
transverse colon, jejunum, and ileum

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4
Q

What part of the nervous system innervates the stomach?

A

ANS

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5
Q

The stomach wall contains 3 muscle layers: longitudinal, circular, and _____

A

oblique

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6
Q

The smooth muscle in the stomach allows for what?

A

churning, mixing, moving and pummeling chyme

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7
Q

The liver has four lobes, what are their names?

A

right, left, caudate, quadrate

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8
Q

The ______ ________ separates the right and left lobes, and suspends liver from diaphragm

A

falciform ligament

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9
Q

The lesser omentum anchors the _____ to the _____

A

liver to the stomach

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10
Q

What 3 circulatory vessels make up the portal triad?

A

Hepatic artery, Hepatic vein, and bile duct

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11
Q

What three ducts enter the liver?

A

bile duct
cystic duct
common hepatic duct

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12
Q

Is the pancreas
A. Retroperitoneal
B. Intraperitoneal
C. Secondarily retroperitoneal

A

A. Retroperitoneal

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13
Q

Exocrine function within the pancreas is to secrete…

A

pancreatic juices (pancreatic duct)
- acini
- water
- bicarbonate

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14
Q

The acini of the pancreas are clusters of ______ cells that produce ______ granules containing _______

A

secretory; zymogen; proenzymes

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15
Q

Endocrine function of the pancreas is the secretion of _______ and _______ by islet cells

A

insulin and glucagon

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15
Q

The ducts of the pancreas drain into the….

A

duodenum

16
Q

The hepatic portal vein brings ____ to _____% of blood to the liver

A

75-80%

16
Q

The hepatic portal vein brings ____ to _____% of blood to the liver

A

75-80%

17
Q

how does bile get from the liver to the duodenum?

A

bile duct and pancreatic duct fuse to form the hepatopancreatic ampulla which then opens into the duodenum via the duodenal papilla; hepatopancreatic sphincter controls the entry of bile and juices

18
Q

Which part of the small intestine is smooth, has less absorption, and reabsorbs bile salts and h2o?

A

Ileum

19
Q

Which part of the small intestine contains villi and plicae circulares?

A

Jejunem

20
Q

Which part of the small intestine is responsible for chemical digestion and has circular folds?

A

Duodenum

20
Q

What are the three structural modifications of the small intestine?

A

Circular folds (food spirals slowly giving it more time for nutrient absorption), villi (absorption) and microvilli (digestion)

21
Q

What is the band of smooth muscle in the large intestine muscularis?

A

Tenia coli

22
Q

What are the subdivisions of the large intestine?

A

Cecum, Appendix, Ascending, Descending, Transverse, and Sigmoid colon

23
Q

Which structure is part of the MALT immune system (lymphoid tissue) and is a bacteria storehouse?

A

Appendix

24
Q

What is the first part of the large intestine?

A

Cecum

25
Q

The anal canal has how many sphincters? What muscle type comprises each?

A

2; internal (smooth) and external (skeletal)

26
Q

Which vein drains drains blood from the gut and to the inferior vena cava?

A

Hepatic portal vein (brings 75-80% of blood to liver)

27
Q

What are the major abdominal aortic branches?

A

superior mesentery, inferior mesentery, and the celiac artery

28
Q

Which vessel drains the abdomen?

A

inferior vena cava

29
Q

The lower thoracic, lumbar, and sacral viscera are innervated by which system?

A

Sympathetic

30
Q

Which plexus controls GI tract motility?

A

Myenteric nerve plexus

31
Q

Which plexus regulates glands and smooth muscle in the mucosa?

A

Submucosal nerve plexus

Anat/Physio (23 decks)

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