GI 4

Question 1

Pyloric stenosis shows what acid base abnormality?

Answer 1

Hypochloremic metabolic alkalosis

Question 2

Night vision loss, dry skin, growth retardation, Bitot spots on the conjunctiva

Answer 2

Vitamin A def

Question 3

Cheilosis, corneal vascularization

causes rash, cracked red skin in the corner of the mouth, a painful smooth purplish tongue and light sensitivity.

Answer 3

Vitamin B2

Question 4

Vitamin deficiency that causes: Dermatitis, dementia, diarrhea, corn-based diet (Pellagra)

Answer 4

Niacin B3

Question 5

Vitamin deficiency that causes Sideroblastic anemia, convulsions, peripheral neuropathy, INH use

Answer 5

B6 pyridoxine

Question 6

Active Hep B infection markers

Answer 6

HBsAg: active infection

Anti-HBc IgM: early marker of infection, positive in window period

HBeAg: high infectivity

Question 7

Hep B serology markers for a recovered or immunized patient.

Answer 7

Anti-HBs: recovered or immunized

Anti-HBc IgG: best marker for prior HBV

Question 8

Test to confirm achalasia

Answer 8

Manometry most accurate test

Birds beak appearance of barium esophagram

Question 9

Copious watery diarrhea “rice water stools” gray with flecks of mucus and may have a fishy odor bo no fecal odor or blood or pus.

Answer 9

Vibrio cholerae

Question 10

Tx for Gram neg comma shaped rod transmitted from contaminated food and water.

Watery diarreahea.

Answer 10

Vibrio cholerae

Oral rehydration

Question 11

Diarrhea that mimics Appy?

Answer 11

Yersinia enterocolitica

Question 12

The typical electrolyte abnormalities associated with bulimia are

Answer 12

hypokalemia and metabolic alkalosis.

Question 13

This diarrheal illness is caused by gram neg rods,

At risk are children under 5

may cause neurological symptoms such as febrile seizures, hallucinations, or confusions.

Answer 13

Shigellosis

Question 14

Tx for C.diff if oral vanc isn’t an option?

Answer 14

Metronidazole