General Gastroenterology

  Basic Physician Training MCQs
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Question 1
What time interval do you need to have had stopped PPIs prior to interpreting a urease breath test for the diagnosis of H. pylori?

(A) 3 days
(B) 5 days
(C) 7 days
(D) 10 days
(E) 14 days

E:  "For both the breath test and the fecal antigen test, the patient should stop taking proton-pump inhibitors 2 weeks before testing, should stop taking H2 receptor antagonists for 24 hours before testing, and should avoid taking antimicrobial agents for 4 weeks before testing, since these medications may suppress the infection and reduce the sensitivity of testing" N Engl J Med 2010; 362:1597-1604

​Question 2
Which of the following is NOT associated with H. pylori?

(A) Atrophic gastritis
(B) Iron refractory Iron deficiency anaemia
(C) GORD
(D) Gastric adenocarcinoma
(E) MALT lymphoma

C: N Engl J Med 2010; 362:1597-1604

Question 3
A 67 year old male presented with 6 weeks of fevers, weight loss and night sweats. There was associated dyspepsia. Upper endoscopy was performed which showed evidence for a duodenal ulcer and the presence of H. pylori on both the CLO test and on biopsy. MALT lymphoma was also confirmed. A 14 day triple therapy course was prescribed. What is the best test to determine recurrence?

(A) Stool antigen testing or Urease breath testing 4 weeks post treatment
(B) Stool antigen testing or Urease breath testing 8 weeks post treatment
(C) H. pylori serology
(D) Upper endoscopy
(E) Urine antigen for H. pylori

A: D is also an option but only if repeat endoscopy is going to be done for other reasons. Option 'B' is too long a wait. H. pylori serology stays positive for many months and should not be used for confirmation of eradication N Engl J Med 2010; 362:1597-1604

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  • About
  • Written
    • Respiratory Medicine
    • Medical Oncology >
      • Colorectal Cancer
      • Lung Cancer
      • Urogenital Cancers
      • Emergencies
      • Melanoma
      • Breast
    • Haematology >
      • Anaemia
      • Coagulation
      • Malignancy
    • Cardiology >
      • General Cardiology
      • Coronary Artery Disease
      • Heart Failure
      • Valvular Heart Disease
      • Arrhythmia
    • Endocrinology >
      • General Endocrinology
      • Reproduction
      • Pituitary
      • Diabetes
    • Clinical Immunology
    • Clinical Toxicology
    • Genetics
    • Geriatrics
    • General Medicine
    • Statistics
    • Gastroenterology >
      • Pancreas
      • Inflammatory Bowel Disease
      • Oesophageal Diseases
      • Stomach and Small Intestine
      • Liver
    • Infectious Diseases >
      • Viruses
      • Bacteria
      • Parasites
      • Fungus
    • Neurology >
      • Anatomy
      • Nystagmus
      • Myopathies
      • Stroke
      • Neurodegenerative Disorders
      • Neuropathy
    • Nephrology >
      • Glomerulonephritis
      • General Nephrology
      • Chronic Kidney Disease
    • Psychiatry
    • Palliative Care
    • Pharmacology
    • Rheumatology >
      • Rheumatoid Arthritis
      • Connective Tissue Diseases
      • Spondyloarthropathies
      • Crystal Arthropathy
  • Clinical
    • Short Cases >
      • Haematology
      • Endocrine
      • Neurology
      • Rheumatology
      • Renal
      • Gastroenterology
      • Cardiology
      • Respiratory
    • Long Cases >
      • Addiction & Psychiatry
      • Cardiology
      • Endocrinology
      • Geriatrics
      • Gastroenterology
      • Renal
      • Haematology
      • Infectious Diseases
      • Oncology
      • Rheumatology
      • Respiratory
      • Neurology
      • Set pieces
  • Medical Students
  • Respiratory
    • Asthma >
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    • COPD >
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