Digestive System Part 3 Flashcards

(34 cards)

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….

16
Q

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

16
Q

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

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?

19
Q

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

20
Q

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

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?

22
What are the subdivisions of the large intestine?
Cecum, Appendix, Ascending, Descending, Transverse, and Sigmoid colon
23
Which structure is part of the MALT immune system (lymphoid tissue) and is a bacteria storehouse?
Appendix
24
What is the first part of the large intestine?
Cecum
25
The anal canal has how many sphincters? What muscle type comprises each?
2; internal (smooth) and external (skeletal)
26
Which vein drains drains blood from the gut and to the inferior vena cava?
Hepatic portal vein (brings 75-80% of blood to liver)
27
What are the major abdominal aortic branches?
superior mesentery, inferior mesentery, and the celiac artery
28
Which vessel drains the abdomen?
inferior vena cava
29
The lower thoracic, lumbar, and sacral viscera are innervated by which system?
Sympathetic
30
Which plexus controls GI tract motility?
Myenteric nerve plexus
31
Which plexus regulates glands and smooth muscle in the mucosa?
Submucosal nerve plexus