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GI module > 2010 module exam > Flashcards

2010 module exam Flashcards

1
Q

A patient presented with dysphagia of liquid & solid, he noticed regurgitation and remnant of undigested food. what would the monometery show?

A

LES pressure is high

Characteristic of achlasia

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2
Q

In which case common hepatic duct can be injured when removing cystic duct?

A

Adhesion of cystic duct to the hepatic duct.

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3
Q

Why ranitidine decrease the efficacy of sucralfate?

A

Decrease acidity.

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4
Q

Which of the following is part of the innate immunity?

A

Mucus

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5
Q

If we remove part of the bowel and cut all autonomic innervation, which of the following will lead to increase perstalsis?

  • Acetylcholine.
  • Blockage of ENS
A
  • Acetylcholine.
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6
Q

What analyte is elevated in an alcoholic patient with psychosis?

A

GGT elevated.

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7
Q

In which part of the following you will find inferior recess of the lesser sac?

  • Transverse colon
  • Lesser omentum
  • Leinorenal ligament
A
  • Transverse colon (not sure)
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8
Q

Which form anterior wall of the lesser sac?

A

Stomach.

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9
Q

A patient was administered 100gm of glucose, his blood glucose went up by 20%. Then he was administered 200gm of lactose and his blood glucose didnt change. What does this suggest?

A

lack of lactase in enterocytes brush border.

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10
Q

An elderly patient 60 yrs old, presented w/ diarrhea after ingesting antibiotic amoxicillin, what is most likely the causative agent?

A

C.difficile.

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11
Q

Into which part the the liver develops?

A

Ventral mesogastrium.

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12
Q

Which of the following will constrict duodenum during development?

A

Annular pancreas.

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13
Q

The doctor wanted to resect segment III, what did he follow to do the surgery?

A

Left hepatic vein.

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14
Q

What is a predominant characteristic about submandibular?

  • Serous.
  • Mucous.
  • Centroacinar
A
  • Serous.
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15
Q

During parotid gland resection, what may get injured?

A

Facial nerve.

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16
Q

What’s the mechanism of action of senna?

A

Stimulate contraction of colon.

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17
Q

Patient w/esophageal webs & microcytic anemia & dysphagia, what is the diagnosis?

A

Plummer-vinson syndrome.

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18
Q

Plays a role in acquired humoral immunity?

  • IgA
  • M cells
A

?

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19
Q

Cells that secrete lysozymes?

A

Paneth cells.

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20
Q

Tri & di oligopeptides move through?

A

Tertiary active transport

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21
Q

Glucose moves by?

A

Secondary active transport.

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22
Q

Glucose and galactose need what for transportation?

A

Na

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23
Q

How bile is transported to the canaliculi?

A

Primary active transport.

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24
Q

Deep inguinal ring opening of what?

  • Transversalis fascia.
  • Internal oblique aponerosis.
A
  • Transversalis fascia.
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25
Q

A baby presented w/rash on his mouth histology showed hyphae and spores?

A

Candida.

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26
Q

A Young female came to the gasteroentologist to check her jaundice, she presented one month ago to the health camp w/flu like symptoms and fever. All liver enzymes, Hb, & WBC were normal, bilirubin was high
Now she is asymptomatic and she is health, what is the diagnosis?

A

Gilberts syndrome.

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27
Q

A female presented with family history of endometrial cancer and she underwent colonectomy. She’s worried if her son gets the diease. what would you tell her?

A

You have mutation in missmatch repair mechanism.

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28
Q

A Young male went to a clinic for checkups the dr took his weight and it was 60 and normally for his age and growth should be 80.. He told the dr that he is fat and he want pills, the dr was worried.
What the diagnosis?

A

Anorexia nervousa.

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29
Q

What drug is an Inducer of abortion?

A

Misoprestol.

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30
Q

Cytoprotective drug used for the treatment of h.pylori?

  • Bismuth chelate
  • Sucralfate
A

?

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31
Q

Produce black tongue and stool?

A

Bismuth chelate.

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32
Q

Patient w/ high fasting blood glucose?

A

Glucagonoma

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33
Q

The inferior end of the posterior part of the rectus sheath?

  • Arcuate line.
  • Pictinate line.
A
  • Arcuate line.
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34
Q

How to locate the base of the appendix anatomicaly?

  • ilial orifice.
  • Tenia coli.
  • Haustra coli
A
  • ilial orifice.
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35
Q

The reffered pain of appendicitis?

A

T10

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36
Q

Root of Greater splanchnic nerve?

A

T5-T9

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37
Q

Cells sitting on the basement membrane and are for presenting antigens and immunity?

A

M-cell (microfolds).

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38
Q

Carries the postganglionic fibers to the sublingual and submandibular?

A

Lingual nerve.

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39
Q

What is present behind the hepatoduodenal ligament?

A

Portal vein.

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40
Q

A Male travelled to mexico present after 6 weeks with right hypochondrium pain, diagnosed with ameabic liver abscess what is the lab diagnosis?

  • Serology Ab.
  • Aspiration of abscess.
A
  • Serology Ab.
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41
Q

What feature of the liver makes it a metabolic organ?

A

Blood distribution from portal veins to central vein.

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42
Q

What is the primary muscle for anal continence?

  • Puborectalis
  • Iliococcegoes
  • Nternal anal sphincter
  • Pubococcegoes
A
  • Puborectalis
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43
Q

What us a character of HCV?

A

It causes chronicity in most ppl.

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44
Q

A patient with oral blisters, histology showed multinucleated giant cells and internuclear inclusions?

A

Herpes

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45
Q

Owl eye

A

CMV

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46
Q

A 70 year old man presented with unilateral cervical lymphadenopathy for 2 months, biopsy revealed keratinized pearl cell?

A

Squamous cell ca from upper esophagus

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47
Q

A 35 year old lady presented with severe vomiting after 2 hrs of eating fried rice from chinese resturant?

A

bacillus cereus.

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48
Q

48 yr old male came with rectal bleeding with history of hemorrhoids normal vital signs, WBC normal, hematocrit normal.
What is the best way to diagnose colerectal caner in this patient?

  • Colonoscopy
  • Degital rectal
  • Occult blood test
  • Sigmoidoscopy
A
  • Colonoscopy
49
Q

What is the main controller of rate of bile synthesis and secretion on the hepatocytes?

  • Concentration of bile acid in portal vein.
  • Concentration of bile in gallbladder.
  • ph of doudenum.
  • secretin.
  • glycone and taurin in hepatocyte.
A
  • Concentration of bile acid in portal vein.
50
Q

Which immune effector is likely to be seen around damaged duct cells in primary billiary cirrhosis?

  • T helper cells
  • T suppressor cells
  • B cells
  • NK cells
  • Neutrophils
A
  • T helper cells
51
Q

A patient Clinically present with diarrea weight loss anemia. histologically: small intistine has villus atrophy?

A

Celiac disease.

52
Q

13 year old with pyrexia of unknown origin presented with poly O and poly H antigens. What is the causative agent?

A

Salmonella typhi

53
Q

What is the mechanism of megaloblastic anemia due to b12 deficiency?

A

trapping of folate

54
Q

Which drug causes microsteatosis?

A

Valporic acid

55
Q

Esophagus with a characteristic of trachialization?

A

eosinophylic esophygitis

56
Q

Gastric tumor c-KIT (CD117)?

A

GIST

57
Q

What’s the difference btw primary salivary secretion & oral secrtion?

A

Oral saliva with greater K+

58
Q

Female with dark urine?

A

Alkaline phosphate + bilirubin increased

59
Q

Female with signs of hepatocellular damage?

A

ALT & AST increased

60
Q

EBM: RCT was conducted to know about the efficay of treatment X . They mentioned in the study that “The doctors were not aware about which group the patient is in, taking the medication or not” . What is the importance of this in a RCT study?

A

To avoid bais in the outcome ( elfkra elle bain “…” they mean blinding to avoid information bais)

61
Q

EBM: RCT was conducted for treatment of disease X . 200 participants were randomized to be in the surgery group and 200 in the medication group. The 200 in the surgery group , 177 of them went to the surgey where 23 didnt. The 200 in medication group 145 of them took the medication and the rest didnt. The follow up was 93% in surgey group and 95% in medication. What is the main concern in this study?

A

Cross over

62
Q

indian farmer with rose spot rash, fever, leukopenia, & hepatosplenomegaly. What drug is used to treat him?

A

Ceftriaxone

63
Q

Regarding the previous Qs, what is the best method to prevent it?

A

proper water disposal control

64
Q

What separates the greater sac into superior & inferior part?

A

Transverse mesocolon

65
Q

The answer was NoA of glutathione (but not sure what was the qs)

A

-

66
Q

How does superoxide generate hydroxyl radical?

  • by releasing iron (iron reacts with h2o2 to produce OH radical)
  • 2 react with each other (this will only form h2o2)
A
  • by releasing iron (iron reacts with h2o2 to produce OH radical)
67
Q

In hemolytic anemia, what enzyme is elevated?

A

Urobilinogen is urine

68
Q

What effects terminal ileum in crohn’s patient and cause obstruction?

A

Stenosis

69
Q

Persistant cloacal membrane?

A

Imperforate anus

70
Q

What carries pain sensation from parotid gland?

A

AuriculoTemporal

71
Q

Bands of fibrous tissue with nodularity in the liver?

A

Cirrhosis

72
Q

What ion is maintained at 25 mM in colon by transporters?

A

K+

73
Q

Which ion binds with unconjugated bilirubin and forms stones?

A

Ca+

74
Q

A diabetic patient with grey white pseudomembrane?

A

Candidal esophygitis

75
Q

Cancer in fundus of stomach with epitheloid cells and lymphocytes around it, what is the causative agent?

A

EBV - induced cancer

76
Q

Which of the following cells have chemoreceptors?

A

Enteroendocrine

77
Q

Which of the following is paracrine secretion?

A

Histamin

78
Q

Barium swallow x-ray showed stenosis (mechanical dysphagia) so what is the next step (A picture of baruim swallow test)..

A

endoscopy

79
Q

Female travelled to endemic area of HAV, had symptoms of hepatitis later but when she was screened there was no signs of HAV, what is the most likely causative agent?

A

HEV

80
Q

Patient with a problem in copper transport?

A

Wilson’s disease

81
Q

The intercalated duct cells are responsible for?

A

HCO3 secretion

82
Q

Substrate in 7 alpha hydroxylase?

A

Cholesterol

83
Q

Common cause of viral gastroenteritis in children and have extending fibers?

A

Adenovirus

84
Q

What causes inhibition of acid secretion?

A

Low ph in antrum

85
Q

Multiparous women with RUQ pain?

A

Gall stones

86
Q

Contraction of ascending colon is lower than the descending which is lower than sigmoid, why?

A

Increase transeit time

87
Q

Which of the following is the first step in colorectal cancer initiation?

A

APC mutation

88
Q

Parasympathetic innervation to the hindgut?

A

Pelvic splanchnic

89
Q

Foveolar hyperplasia with flattened mucus? patho 5 slide2

  • Fundic gland polyp ?
  • inflammatory polyp ?
A

?

90
Q

Patient who vomits blood and found fresh blood in the stomach, which vessel is most likely to be injured?

A

Left gastric artery (or vien)

91
Q

A patient taking OCP what do you advice her not to take with it?

A

John warts herbs

92
Q

Patient with autolysed visera, omental fat necrosis & bleeding?

A

Hemorrhagic pancreatitis

93
Q

Which of the following is a DNA virus?

A

HBV

94
Q

Which of the following would NOT be used to check H. Pylori eradication?

A

serology IgG

95
Q

Which area is difficult to pass the endoscope through?

A

Pharyngo-esophageal junction

96
Q

A 45 yr old male with a reducible mass which was not descending to the scrotum?

A

Direct inguinal hernia

97
Q

Tumor in the middle third of esophagus, where does it most likely metastasize?

A

Paratracheal

98
Q

A girl who’s losing weight & her stool color is abnormal. What do we do for diagnosis?

  • D- xylose ?
  • Biopsy?
A

?

99
Q

Where do the hepatic canaliculi are located?

A

Intercellular space

100
Q

A question about warthin tumor?

A

Oncocytes

101
Q

Flapping tremor with liver disease, what would be elevated?

A

Ammonia

102
Q

A lady who had an accident had an injury to her head followed by acute gastritis, what would be the cause?

  • Cushing’s
  • Curling
A
  • Cushing’s
103
Q

Which drug causes hepatotoxicity due to genetic variation on acetyltransferase?

A

Isoniazid

104
Q

patient ingested shellfish, which organism is associated with it?

A

v.Parahemolyticus

105
Q

Which of the following is a characteristic for vibrio cholera?

A

Affects Human only

106
Q

Which part of the GIT have reverse peristalsis?

  • Colon
  • Esophagus
A
  • Colon
107
Q

Where does the greater spanchnic nerve end?

A

Celiac node

108
Q

Left umbilical vein is the remenant of what?

A

Round ligament

109
Q

What will constrict lower esophagial sphincter?

A

Vagus ach

110
Q

During intestinal phase. which of the following will be correct?

A

Fluid secretions increase and push with it enzymes that already
present in the duct

111
Q

Patient presented with oral ulcers, diarrhea and microscopy showed non- caseating gramuloma?

A

Crohn’s disease

112
Q

Immunocompromised patient presented with dysphagia and herpetic ulcers in the lower esophagus. what would be the characteristic feature?

A

intranuclear inclusions

113
Q

A patient presented with a single well demarcated tumor in the liver. After resection the doctor ensures her that she doesn’t need any further treatment?

A

Hepatic adenoma

114
Q

How can diet induce cancer?

A

Nitroso (LT)

115
Q

What hormone induces pain after eating fatty food in the case of cholethiasis?

A

CCK

116
Q

A 70 year old patient on isoniazid treatment, presented with elevated liver enzymes. What most likely would be the cause?

A

accumulation of active metabolites in liver

117
Q

After removal of intestinal lymph nodes during surgery. Absorption of what will be affected?

A

Lipids

118
Q

What catalysis a reaction that lead to a signaling molecule which increases (cGmp)?

  • Heme oxygenase (this is the catalyzing enzyme)
  • CO (this is the signaling molecule)
A

?

119
Q

What is the main characteristic of enterocytes?

A

Have microvilli

GI module (20 decks)

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