GIT 5TH ADDITIONAL

Question 1

Distingush Serological finding seen in the ff:
Irritable bowel syndrome-
Ulcerative colitis-
Crohn’s Disease-

• Usually present anti-saccharomyces cerevisiae antibody (ASCA)
• None of these antibodies is common
• Usually present perinuclear-antineutrophic cytoplasmic antibody (p-ANCA)
• Usually present both antibodies

Answer 1

Irritable bowel syndrome- Usually present both antibodies
Ulcerative colitis- Usually present perinuclear-antineutrophic cytoplasmic antibody (p-ANCA)
Crohn’s Disease- Usually present anti-saccharomyces cerevisiae antibody (ASCA)

Question 2

This test can be used to detect whether the patient is really having diarrhea or had just ingested Phenolphthalein laxative:

Answer 2

Stool alkalization

Question 3

A patient was subjected to an oral glucose tolerance test, & the ff blood results: Fasting plasma glucose is 135mg/dL, 1 1/2 hour level of 270mg/dL, & a 2hr gluocse value of 110mg/dL. What is your diagnosis?

Answer 3

diabetes mellitus

Question 4

The normal person loses _____ of blood into the GI daily in association with the normal shedding of epithelial cells

Answer 4

0.5 - 1.5 mL

Question 5

Complications of gestational diabetes on the baby include the ff except?

Answer 5

Type 1 diabetes later in life

Question 6

The currently mainstay in the diagnostic testing for h pylori include the ff:

• biopsy tissue sampling
• urea breath tests
• fecal antigen detection
• CAG-A gene detection
• serum antibodies

Answer 6

First 3

Question 7

Symptos of hypoglycemia include the ff except:

Answer 7

increased thirst

Question 8

Intraoperative testing for gastrin has the ff benfits over serum testing:

• patients w/ gastrinomas cannot tolerate serum testing
• gastrinomas can be multiple & maybe located surgically
• gastrin has a short half-life & a drop in its levels post-resection is indicative of cure

Answer 8

gastrinomas can be multiple & maybe located surgically

- gastrin has a short half-life & a drop in its levels post-resection is indicative of cure

Question 9

Oral glucose tolerance test (OGTT) is indicated in cases of the ff EXCEPT:

• unexplaind glycosuria particularly in pregrancy
• unequivocal fasting or r&om blood glucose concentrations
• galactose intolerance
• in the diagnosis of acromegaly

Answer 9

galactose intolerance

Question 10

Which specimen should be tested for the presence of C. difficile toxin A or B virulence factors?

Answer 10

Stool

Question 11

Which of these staining would you request to identify the presence of H. pylori in gastric biopsy specimens of your patient?

Answer 11

Steiner silver staining

Question 12

A patient came complaining of passing out a watery, sour-smelling stool this morning. He suspected it was the milk that he drank earlier. After challenging him to drink another glass of milk, which Stool Analysis result, using Clinitest Tablet, will most confirm his suspicion?

Answer 12

0.45 g/dL suspicious

Question 13

Which features of the organism has linked H. pylori infection to gastric cancer?

Answer 13

Cytotoxin-associated gene A

Question 14

What is “Munchausen’s syndrome by proxy”?

Answer 14

adults administered laxatives to young children

Question 15

The level of glucose in a fasting individual is maintained w/in the range of:

Answer 15

50-110 mg/dL

Question 16

These orally administered medications can cause a secondary disaccharidase deficiency:

• Neomycin
• Kanamycin
• Methotrexate
• Penicillin
• Cephalexin

Answer 16

Neomycin
Kanamycin
Methotrexate

Question 17

These tests are used to confirm eradication of H. pylori after treatment.

Answer 17

rapid urease testing –
hydrogen breath tests —
urea breath testing –

Question 18

The highest rise in blood glucose level after a meal is only

Answer 18

10-15 mg/dL

Question 19

Which does NOT refer to hypoglycemia in a first week old baby?

Answer 19

< 55mg/dl in a 24 hours old infants

Question 20

The Pathogenesis of this Diabetes involves destruction of B-cells of the Pancreas by the patient’s own immune system:

Answer 20

Type 1 Diabetes

Type 1.5 Diabetes

Question 21

These ingested vegetables & fruits may give a False Postive result to Fecal Occult Blood Testing Except:

horseradish
turnips
black grapes
oranges 
plums
bananas

Answer 21

oranges

Question 22

Fecal Occult Blood Testing are useful only for screening blood of the ____

Answer 22

lower intestinal tract bleeding

Question 23

These FBS levels taken on two occasions are suggestive of diabetes mellitus.

Answer 23

> 126 mg/dL

Question 24

This level of C-peptide already suggests hyperinsulinism which is characterized by severe hypoglycemia:

Answer 24

> 1.9 ng/mL