G.A. Digestive system Flashcards

1
Q

what initiates the digestive process?

A

mouth (oral cavity) and pharynx

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2
Q

where is 60-70% of saliva produced?

A

submandibular gland

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3
Q

where is 20-30 % of saliva produced?

A

parotid gland

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4
Q

what do mesenteries do? characteristic?

A

transmits vessels, nerves & lymph tissue

double folded peritoneum

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5
Q

where is the falciform ligament?

A

left lobe of the liver to the diaphragm

contains: the periumbilical V., ligamentum teres hepatis

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6
Q

where is the coronary ligament?

A

right lobe of liver to diaphragm

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7
Q

where is the ligamentum venosum?

A

lies in liver tissue (remnant of ductus venosum)

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8
Q

where is the lesser omentum?

A

extends from liver to the lesser curvature of stomach

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9
Q

where is the greater omentum?

A

extends from greater curve over the abdominal viscera

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10
Q

what are the structures of the stomach?

A

cardia, fundus, body & pylorus

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11
Q

what are rugae in the stomach?

A

mucous lining with many folds

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12
Q

what do parietal cells secrete?

A

HCL & IF

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13
Q

what do chief cells secrete?

A

pepsinogen

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14
Q

what does grehlin stimulate?

A

hunger

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15
Q

what structures make up SI?

A

duodenum (10 in.)
Jejunum (8 ft.)
ileum (12 ft.)

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16
Q

what does the brush border do in SI?

A

INCREASES SURFACE AREA FOR ABSORPTION

17
Q

WHAT ARE PLICAE CIRCULARE?

A

FOLDS IN THE SI

18
Q

what type of cells make up CCK?

A

epithelial cells

19
Q

what structures make up the LI?

A

Cecum- blind pouch
Appendix- hollow
Colon
Rectum & anus

20
Q

what are the parts of the colon?

A

ascending
transvers
descending
sigmoid

21
Q

where/what are the columns of morgagni?

A

in rectum & anus

needed for expansion

22
Q

what is the largest visceral organ & gland in the entire body?

A

liver

23
Q

which ligament contains the round ligament

A

falciform lig.

24
Q

how many lobes make up the liver?

A

4
Right lobe- Ant. & post.
Left lobe- divided into caudate & quadrate lobes (med. & lat.)

25
Q

what does the liver produce?

A

bile (RBC in the fetus)

26
Q

what is the livers function?

A

filter & detoxifies blood
protein synthesis
stores- glycogen, vitamins, iron & copper

27
Q

what is the gallbladders function?

A

contracts to expel bile

28
Q

how is bile secreted?

A

stimulated by CCK

29
Q

what is biles function?

A

emulsify fat

30
Q

what is going to be retroperitoneal?

A
Duodenum
ascending Colon
ureters
pancreas
suprarenals
descending colon
aorta
kidneys
rectum
IVC
"D CUPS DAKRI"
31
Q

where is the gallbladder located?

A

between left & caudate lobes of liver