Answers From Qbank Gi

Front 1

Nodular tumor masses involving the serosa of the small intestine is a metastatic pattern of what malignancy?

Back 1

Malignant melanoma

Front 2

What is Reye syndrome?

Back 2

Fatty liver with encephalopathy - an acute post-viral injury also associated with aspirin use

Front 3

Gilbert's?

Back 3

Relatively common and mild heriditary condition that produces asymptomatic unconjugated hyperbilirubinemia

Front 4

Atrophic gastritis can be associated with which hematologic condition?

Back 4

Pernicious anemia?

Front 5

What anastomosis explains the ability to preserve normal blood supply despite a severely atherosclerotic celiac trunk?

Back 5

Superior pancreaticoduodenal artery and inferior pancreaticoduodenal artery

Front 6

Which ligament is part of the lesser omentum that separates the greater peritoneal sac from the right portion of the lesser peritoneal sac?

Back 6

Gastrohepatic ligament

Front 7

80% of cases of cholelithiasis in the US are due to stones predominantly composed of...? Radiological imaging?

Back 7

cholesterol monohydrate crystals....Most are radiolucent

Front 8

Infection with Hep E is associated with a very high mortality in which population?

Back 8

Pregnant women in epidemic areas of India, Asia, Africa, and Central America

Front 9

The defecation reflex involves which 3 responses? Which nerves are involved?

Back 9

1. Internal anal sphincter relaxes
2. The external anal sphincter contracts
3. Conscious urge to defecate
Pelvic nerve (provides parasympathetic innervation to the internal anal sphincter and carries sensory information from the rectum) and pudendal nerve (which carries motor inputs to the external anal sphincter)

Front 10

Most cases of traveler's diarrhea are caused by which bacteria? Tx?

Back 10

Enterotoxigenic E coli, Shigella, and Campylobacter jejuni. Tx is usually the fluroquinolones, such as cipro

Front 11

Characteristic liver finding in Reye's syndrome?

Back 11

Microvesicular steatosis

Front 12

Large volumes of 'rice-water' stools is a tip-off to...?

Back 12

Cholera

Front 13

Acute hemorrhagic pancreatitis is most often seen in....?

Back 13

Excessive acute alcohol or food ingestion

Front 14

Up to 30% of patients with chronic pancreatitis eventually develop...?

Back 14

Secondary diabetes mellitus

Front 15

Suppurative cholangitis can occur as a complication of infestation by which organisms?

Back 15

Roundworm (ascaris lumbricoides) and the liver flukes (Clonorchis sinensis and Fasciola hepatica)

Front 16

Reye's is associated with which organelle abnormality?

Back 16

Mitochondria

Front 17

Most pancreatic adenocarcinomas arise where? Eventually there's compression of...? Resulting in...?

Back 17

Head of the pancreas. Compression of common bile duct. Results in obstructive jaundice, elevated direct bilirubin, and high alkaline phosphatase.

Front 18

Meckel's diverticulum is usually found where?

Back 18

Distal ileum within 12 inches of the ileocecal valve

Front 19

Primary hyperlipidemia with selective elevation of triglycerides due to elevated chylomicrons is what WHO classification?

Back 19

Type I hyperlipidemia

Front 20

What is the usual cause of intestinal amebiasis?

Back 20

Entamoeba histolytica

Front 21

Elevated AST and ALT with a AST:ALT ratio of >1.5 is strongly suggestive of..?

Back 21

Alcoholic hepatitis

Front 22

Herniation of abdominal contents into the thorax leading to rapidly lethal respiratory distress in the newborn is caused by..?

Back 22

Weakness or partial-to-total absence of the diaphragm

Front 23

Infestation by what organism is a risk factor for pigment stones?

Back 23

Liver fluke Opisthorchis sinensis

Front 24

Which syndrome of hereditary conjugated hyperbilirubinemia causes the liver to turn black?

Back 24

Dubin-Johnson syndrome

Front 25

Pseudomembranous colitis is caused by...?

Back 25

Necrolytic toxin produced by C. dificile

Front 26

After gastric bypass surgery, a patient may experience which syndrome? Characterized by? Alleviate symptoms by...?

Back 26

Dumping syndrome - nausea, diarrhea, sweating, palpitations, and flushing soon after eating a meal. Alleviated by eating more frequent, smaller meals that are high with fat (slower absorption)

Front 27

The portion of the dorsal mesentery between the posterior abdominal wall and the spleen is called? Transmits which blood vessels?

Back 27

The splenorenal ligament. Transmits the splenic artery and vein.

Front 28

Food poisoning from fried rice is usually caused by..?

Back 28

Bacillus cereus

Front 29

Pain of biliary colic radiates to...?

Back 29

Right scapular region

Front 30

Excessive filtration of conjugated bilirubin produces which color of urine?

Back 30

Tea-colored darkening.