Gastro

Question 0

Failed involution of vitteline duct

Answer 0

Meckels diverticulum

Question 1

Occurs when closure of the abdominal wall is incomplete

Abd.viscera herniates into VENTRAL membranous sac

Answer 1

Omphalocele

Question 2

OLIVE sized abdominal mass on P.E.of the abdomen

Asso.with Turner syndrome and trisomy 18

Answer 2

Hypertrophic pyloric stenosis

Question 3

Distal vs proximal segment in hirschprung disease

Answer 3

Distal segment- normal or contracted, absence of ganglion

Proximal segment- dilated, distended (megacolon)

Question 4

Explosive passage of flatus and feces

Answer 4

Hirschprung dsea.

Question 5

Mc outpatient GI dx

Most frequent cause of esophagitis

Answer 5

Reflux esophagitis

Question 6

Patches of red, velvety mucosa extending upward from GEJ

Intestinal GOBLET cells are definitive dx

Answer 6

Barrets esophagus

Question 7

Most frequent location of esophageal adenocarcinoma

Answer 7

Distal 1/3 of esophagus

Question 8

Most frequent loc.of esophageal adenoca

Answer 8

Middle 1/3 of esophagus

Question 9

Mcc of chronic gastritis

Answer 9

H.pylori

Question 10

Pit abscess
Antral gastritis
MALT lymphoma

Answer 10

H. Pylori gastritis

Question 11

Glandular atrophy of oxyntic mucosa
Megaloblastic change
Intestinal metaplasia
Antral endo. Hyperplasia

Answer 11

Autoimmune gastritis

Question 12

4x more common in proximal duodenum (duodenal bulb) than the stomach
Punch out defect
Mucosal defect with clean edge
Necrotic ulcer base

Answer 12

PUD

Question 13

Mc malignancy in the stomach

Answer 13

Gastric Adeno ca

Question 14

True or false, PUD does not impart an increased risk of gastric ca

Answer 14

Tru

Question 15

Linitis plastica (diffuse rugal flattening)
Leather bottle appearance (rigid, thick wall)

Answer 15

Gastric adenoca

Question 16

Islands,trabeculae, strands, glands or sheets of uniform cells

Salt and pepper chromatin

Answer 16

Carcinoid tumor

Question 17

Mc messenchymal tumor of the abdomen

Answer 17

GIST

Question 18

Tumoe marker for GIST

Answer 18

C- kit

Question 19

Site at greatest risk for trnsmural infarction (bowel)

Answer 19

Splenic flexure

Question 20

Enlargement of peyer’s patches
Oval ulcers
Typhoid nodules

Answer 20

Typhoid fever

Question 21

Mucopurulent exudates forms an Eruption reminiscent of a volcano

Answer 21

Pseudomembranous colitis

DOC: metronidazole or oral vancomycin

Question 22

Malabsorption diarrhea due to impaired lymphatic transport

Answer 22

Whipples disease

Question 23

Triad of whipples dsea.

Answer 23

Diarrhea

Weight loss and malabsorption

Question 24

Distended foamy macrophage | PAS positive, diastase resistant granules

Answer 24

Whipples dsea.

Question 25

``` Broad base ulcer Pseudopolyps Toxic megacolon Inc. risk for colon ca Backwash ileitis Triggered by C. Deficile ```

Answer 25

UC

Question 26

Limited to colon and rectum Extraintestinal manifestation Pancolitis Left sided

Answer 26

UC

Question 27

Multiple GI hamartomatous polpys and mucocutaneous hyperpigmentation

Answer 27

Peutz jeghers syndrome

Question 28

Mc and clinically important neoplastic polyps

Answer 28

Colonic adenoma | --charac by presence of epith dysplasia

Question 29

Villous adenomas has the highest risk of colorectal adenoca

Answer 29

True

Question 30

Autosomal dominant disorder caused by mutation of the APL gene

Answer 30

Familial adenomatous polyps

Question 31

How many polyps are necessart to dx of FAP

Answer 31

At least 100

Question 32

Mc malignancy of the GI tract

Answer 32

Colorectal adeno ca

Question 33

Most impt. Prognostic factor for colorectal ca

Answer 33

Dept | Meta

Question 34

Mc site of metastasis for colorectal adeno Ca

Answer 34

Liver

Question 35

Dilation of the inf.hemorrhoidal plexus

Answer 35

External hemorrhoids

Question 36

Dilation of the superior hemorrhoidal plexus

Answer 36

Internal hemorrhoids

Question 37

Org.most often identified in spontaneous bacterial peritonitis

Answer 37

E.coli

Question 38

Dull and lusterless peritoneum

Answer 38

Peritonitis

Question 39

Accounts for 50% of cases in acute haptic failure

Answer 39

Acetaminophen

Question 40

Causes encephalopathy in hepatic failure

Answer 40

Hyperammonia

Question 41

85% of bilirubin comes from?

Answer 41

Breakdown of senescent rbc 15% derived from turnover of hepatic heme or hemoproteins

Question 42

Cannot be excreated in the urine Kernicterus Indirect

Answer 42

Unconjugated

Question 43

Picornaviridae

Answer 43

Hepa A

Question 44

Flaviviridae

Answer 44

Hepa C

Question 45

Hepa dna viridae

Answer 45

Hepa B

Question 46

Calciviridae

Answer 46

Hepa E

Question 47

Hbv with enveloped ds DNA

Answer 47

Hepa B

Question 48

Enveloped ssRNA

Answer 48

Hepa D

Question 49

Naked ssRNA

Answer 49

Hepa A and E

Question 50

Hbv, waterborne

Answer 50

Hepa E

Question 51

Hbv, fecal oral

Answer 51

Hepa A

Question 52

Hbv, hepatocellular ca

Answer 52

Hepa B and C

Question 53

Hepa B sero. Incubation period

Answer 53

HBsAg | HBeAg

Question 54

Hepa B | Acute infection

Answer 54

sAg, eAg, anti c

Question 55

Window period

Answer 55

Anti c | IgM

Question 56

Complete recovery | Hepa b

Answer 56

Anti c, IgG, anti s

Question 57

Chronic hepa b

Answer 57

sAg, eAg, IgG

Question 58

Vaccinated

Answer 58

Anti s

Question 59

Cutaneous lession found in gastric carcinoma

Answer 59

Seborrheic dermatitis Leser trelat Acanthosis nigricans Erythema nodosum