Gastroenterology

Question 1

cholelithiasis in children due to

Answer 1

hemolytic dyscrasia

Question 2

cone-shaped fibrotic mass cranial to the bifurcation of the portal vein, may be seen in patients with biliary atresia

Answer 2

Triangular cord sign

Question 3

MCC of viral gastroenteritis in infants

Answer 3

rotavirus

Question 4

acute diarrhea does not last longer than

Answer 4

14 days

Question 5

Drugs used in cholera

Answer 5

tetracycline but not for <9 yo

doxycycline

Question 6

MOA behind the bleeding diarrhea in shigella

Answer 6

invasion of intestinal epithelium

Question 7

period of communicability of enteric fever

Answer 7

throughout duration of fecal excretion

Question 8

currant jelly stool

Answer 8

intussusception

Question 9

2 mo old was noted to have vomiting after every feeding for the past week, irritable, slightly tachycardic (+) firm, movable mass on the abdomen

Answer 9

pyloric stenosis

Question 10

shoulder sign and double tract sign in UTS

Answer 10

pyloric stenosis

Question 11

34 wks AOG vomit greenish material every feeding, non-distended abdomen with hyperactive BS

Answer 11

duodenal atresia

Question 12

hallmark of duodenal atresia

Answer 12

billous vomiting

Question 13

double bubble sign

Answer 13

duodenal atresia

Question 14

3 yo boy wit constipation since infant; active, playful. with globular non-render abdomen, rectal exam-normal sphincteric tone and no feces on examining finger

Answer 14

Hirschprung dse

Question 15

Hirschprung dse def dx

Answer 15

biopsy

Question 16

In Rome criteria of func constipation, how many criteria must be met

Answer 16

2

Question 17

more specific for acute panc

Answer 17

lipase

Question 18

most valuable single serologic marker of acute HBV infection

Answer 18

anti-HBcAg