Biliary System A&P Flashcards

1
Q

is the GB an intraperitoneal or retroperitoneal organ?

A

intraperitoneal

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2
Q

wall thickness of the GB should be

A

less than 3mm

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3
Q

diameter of the GB should be

A

less than 5 cm

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4
Q

length of the GB should be

A

7 to 10 cm

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5
Q

what are the three layers of the GB

A
  1. mucosal
  2. fibromuscular
  3. serosal
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6
Q

as chyme leaves the stomach, the hormone ______________ is released by the ____________ and causes the GB contractions

A

cholecystokin is released by the duodenum

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7
Q

what is a phrygian cap?

A

fold between the GB fundus and body

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8
Q

junctional fold

A

fold between the GB body and neck

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9
Q

hartman’s pouch

A

outpouching of the GB neck

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10
Q

the cystic duct connects

A

the GB neck to the CHD

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11
Q

normal diameter of the cystic duct is

A

1 to 2mm

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12
Q

tiny folds that prevent the cystic duct from collapsing or distending

A

spiral valves of heister

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13
Q

the CHD connects with the _________ to form the CBD

A

cystic duct

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14
Q

normal diameter of the CHD is

A

4 mm

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15
Q

the CBD enters the second portion of the duodenum via the _________ which is controlled by the ________

A

ampulla of vater
sphincter of oddi

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16
Q

the CBD joins the __________ at the Ampulla of Vater

A

pancreatic duct (duct of Wirsung)

17
Q

normal diameter of the CBD is

A

< 5 mm

questionable = 6 to 7mm
elderly and those who had GB removed = up to 10mm

18
Q

what is the best transducer for a GB scan?

A

3.0 to 5.0MHz curved

19
Q

indications for a GB ultrasound include (6)

A
  1. RUQ pain
  2. gallstones
  3. cholecystitis
  4. blocked bile ducts
  5. increase in conjugated (direct) bilirubin and ALP
  6. jaundice
20
Q

what is conjugation?

A

process of removing albumin from unconjugated bilirubin making it soluable