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805 - Exam 3 > Anatomy - Foregut > Flashcards

Anatomy - Foregut Flashcards

1
Q

Digestive organs are _____

A

unpaired

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2
Q

All venous return from digestive organs must pass through the ____ via what vein?

A

the liver via the hepatic portal vein

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3
Q

what muscle is the esophagus made up of

A

skeletal (proximal 1/3)
smooth

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4
Q

where does the esophagus begin and end

A

begins at pharynx and ends at stomach

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5
Q

where does the esophagus pass through the diaphragm

A

Esophageal hiatus at T10

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6
Q

the esophagus is usually flattened how at rest

A

anteroposteriorly

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7
Q

where are the 3 potential constrictions the esophagus contracts

A

arch of aorta
left main bronchus
diaphragm

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8
Q

vagus nerves blend to form what plexus and where ?

A

the esophageal plexus in the inferior thorax

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9
Q

the esophageal plexus comes together and forms

A

anterior and posterior vagal trunks

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10
Q

where is the posterior vagal trunk

A

on the posterior side of the esophagus

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11
Q

the short distal portion of the esophagus passes through the

A

esophageal hiatus

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12
Q

Caval foramen is where

A

T8 of inferior vena cava

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13
Q

esophageal hiatus is where

A

T10 of esophagus

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14
Q

aortic hiatus is where

A

T12 of abdominal aorta

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15
Q

stomach receives bolus from

A

esophagus

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16
Q

the stomach is anchored by the ?

A

greater and lesser omenta
esophagus

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17
Q

what is anterior to the stomach

A

Diaphragm
Left lobe of Liver
Anterior Abdominal wall

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18
Q

what is posterior to the stomach

A

Omental bursa
Neck of pancreas

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19
Q

What is inferior to the stomach

A

Transverse mesocolon
Colon

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20
Q

what is posterolateral to the stomach

A

Spleen

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21
Q

what is the blood supply to the stomach?

A

multiple branches of celiac trunk

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22
Q

multiple branches of the celiac trunk do what for the stomach

A

encircle stomach and provide redundant supply

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23
Q

where can you find the spleen

A

tucked posterolateral to the body of the stomach

between ribs 9-11

24
Q

the spleen typically does NOT descend

A

inferior to costal margin

25
Q

what is anteromedial to the spleen

A

stomach

26
Q

what is posterior to the spleen

A

left part of diaphragm

27
Q

what is medial to the stomach

A

left kidney
pancreas

28
Q

what is inferior to the spleen

A

colon

29
Q

what does the liver receive

A

all digestive blood and from the spleen

30
Q

what does the liver do

A

produces and secretes bile

31
Q

the liver is deep to which ribs on the right side

A

7-11

32
Q

what is anterior to the liver

A

diaphragm
abdominal wall

33
Q

what is posterior to the liver

A

diaphragm
posterior wall
right kidney
right adrenal gland

34
Q

what is medial to the liver

A

portions of stomach

35
Q

what is inferior to the liver

A

gallbladder
superior portion of duodenum
lesser omentum
right colic flexure
transverse colon

36
Q

what is the blood supply to the liver and what does it branch off of

A

proper hepatic artery

branches off of the common hepatic artery

37
Q

most blood into liver is from

A

the hepatic portal vein

38
Q

what are the major unpaired veins from the foregut

A

splenic vein
gastric veins

39
Q

what is the major unpaired vein from the midgut

A

superior mesenteric vein

40
Q

what is the major unpaired vein from the hindgut

A

inferior mesenteric vein

41
Q

blood drains from the liver directly into the ____ via which vein

A

the inferior vena cava via the hepatic veins

42
Q

which surface does venous drainage of the liver empty

A

through the posterior surface

43
Q

bile is produced by

A

hepatocytes

44
Q

bile exits the portal hepatis via

A

bile ducts

45
Q

what does the gallbladder do

A

stores and releases bile in response to chyme in the duodenum

46
Q

what are the lymphatic nodes of the foregut

A

Celiac nodes
Gastric nodes
Splenic nodes
Hepatic nodes
Pyloric nodes

47
Q

innervation to the foregut is from which splanchnic nerve

A

greater thoracic splanchnic nerve (T5-T9)

48
Q

innervation of foregut goes where after the greater thoracic splanchnic nerve

A

celiac –> vagus nerve (anterior vagal trunk)

49
Q

foregut visceral sensory reflex does what

A

motility and mucosal secretion reflexes

50
Q

foregut visceral sensory pain does what

A

stretch and distension
limited pain sensation
poorly localized

51
Q

visceral sensory pain of the foregut hitchhikes on sympathetics how ?

A

greater thoracic splanchnic nerves

return via dorsal roots (sensory fibers)

52
Q

preganglionic parasympathetic and postganglionic sympathetic fibers travel together as ?

A

blended peri-arterial plexuses

53
Q

where does the blended peri-arterial plexus travel along

A

branches of the celiac trunk to target organs

54
Q

the pyloric sphincter is densely innervated by

A

autonomic plexus

55
Q

the pyloric sphincter is constricted by what innervation and nerves

A

sympathetic

greater thoracic splanchnic nerve to celiac ganglia

56
Q

the pyloric sphincter relaxes by what innervation and nerve

A

parasympathetic

anterior vagal trunk

805 - Exam 3 (4 decks)

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