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Heme GI > GI disorders > Flashcards

GI disorders Flashcards

1
Q

Hirchsprungs disease

A

congenital lack of ganglion cells in rectum/distal sigmoid `

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2
Q

most common location of bowel obstruction

A

SI

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3
Q

most common cause of SI bowel obstruction

A

adhesions

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4
Q

volvulus

A

twisting of bowel around mesentery

-resembles coffee bean

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5
Q

intussusception

A

proximal small bowel into distal segment

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6
Q

where is the most common location of intussusception?

A

ileocecal junction

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7
Q

What type of diarrhea can pancreatic insufficiency lead to?

A

malabsorptive diarrhea

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8
Q

What does trypsin digest

A

proteins

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9
Q

what does lipase digest

A

fat

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10
Q

What kind of diarrhea is caused by lactose intolerance?

A

osmotic

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11
Q

What does desmoplasia indicate?

A

invasive colorectal adenocarcinoma

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12
Q

What is Mirizzis syndrome?

A

when a cystic duct blocks the bile duct

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13
Q

At what day of pancreatitis does lipase increase?

A

1-2

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14
Q

Describe the pattern of amylase in pancreatitis

A

peaks at day one and then goes down at day 2

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15
Q

At what percentage of pancreatic necrosis is infection likely?

A

50%

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16
Q

pancreatic pseudocyst

A

liquified areas of necrotic pancreatic tissue

- usually solitary

17
Q

what GI virus normally affects young children?

A

rotavirus

18
Q

What GI virus normally affects older children or adults?

A

norovirus

19
Q

What does Bacillus cereus normally cause?

What is it from and what kind of toxin?

A

watery diarrhea

fried rice and has preformed toxin

20
Q

What is Hemolytic Uremia syndrome associated with genetically alongside watery diarrhea?

What is the identifying feature on agar?

A

EColi 0157:H7

Sorbitol negative

21
Q

What bacteria is associated with hot dogs

A

Listeria

22
Q

What bacteria mimics appendicitis

A

Yersinia enterocolitica

23
Q

What bacteria do turtles and lizards carry

A

salmonella

24
Q

What zone of the liver is most prone to damage and nutrient loss?

A

Zone 3

25
Q

What drug usually causes acute hepatic failure?

A

Acetaminophen

26
Q

Reyes syndrome is associated with what drug?

what kind of fatty liver?

A

Aspirin for viral illness

micro vesicular

27
Q

Viral Hepatitis Acute Phase characterized by what?

A

inflammation of liver parenchyma

dark urine, fever, inc ALT and AST

28
Q

Viral Hepatitis Chronic phase characterized by what?

A

interface hepatitis, fibrous septa, lymphocyte infiltration

29
Q

How is Hep A transferred?

A

fecal oral

30
Q

How is Hep B transferred?

A

parenteral

31
Q

What is the characteristic of Hepatitis B cells?

A

ground glass hepatocytes caused by accumulation of surface Hep B antigen

32
Q

What is the characteristic of Hep B?

A

portal tract expansion via lymphocytes

33
Q

What is the characteristic histological finding for alcoholic steatohepatitis?

A

swelling of hepatocytes with Mallory Denk bodies

Heme GI (14 decks)

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