SMJ CME Jan 2017 SET A

Code SMJ201701A

Colorectal cancer screening

  • Answers will be published online in the SMJ March 2017 issue.
  • The MCR numbers of successful candidates will be posted online at the SMJ website by 3 March 2017.
  • Passing mark is 60%. No mark will be deducted for incorrect answers.
  • The SMJ editorial office will submit the list of successful candidates to the Singapore Medical Council.
  • One CME point is awarded for successful candidates.
  • Deadline for submission: (January 2017 SMJ 3B CME programme): 12 noon, 24 February 2017.


  • Full Name


    Email Address


    MCR Number


    Question 1. Colorectal cancer (CRC) is the most common cancer in Singapore.
    True
    False

    Question 2. Risk factors for developing CRC are older age, male gender, family history, smoking and obesity.
    True
    False

    Question 3. Screening is defined as the application of tests or procedures for the early detection of disease in symptomatic people.
    True
    False

    Question 4. Evidence shows that CRC screening in adults aged 50–75 years reduces CRC mortality.
    True
    False

    Question 5. Screening methods for CRC include stool-based tests and direct visualisation tests.
    True
    False

    Question 6. Stool-based tests require bowel preparation and sedation before the tests.
    True
    False

    Question 7. Both guaiac-based faecal occult blood test (gFOBT) and faecal immunochemical test (FIT) can detect the presence of components of haemoglobin in faeces.
    True
    False

    Question 8. gFOBT can be confounded by blood loss proximal to the colon.
    True
    False

    Question 9. Results of FIT can be affected by antioxidants such as vitamin C or vegetable peroxidases.
    True
    False

    Question 10. Multitargeted stool DNA testing has both higher sensitivity and specificity than the use of FIT alone for detecting CRC.
    True
    False

    Question 11. Studies on flexible sigmoidoscopy showed no reduction in proximal CRC incidence.
    True
    False

    Question 12. Colonoscopy is considered the ‘gold standard’ test for CRC screening.
    True
    False

    Question 13. Risks of colonoscopy include sedation-related adverse events, perforations and major bleeding.
    True
    False

    Question 14. CT colonography is invasive testing of the entire colon and rectum.
    True
    False

    Question 15. It is common to have incidental extracolonic findings during CT colonography.
    True
    False

    Question 16. Radiation risk is a relative disadvantage of CT colonography.
    True
    False

    Question 17. An individual at average risk for CRC is someone who has a family history of CRC.
    True
    False

    Question 18. An individual at high risk for CRC is someone who has a hereditary or genetic predisposition for CRC.
    True
    False

    Question 19. For individuals with an affected first-degree relative diagnosed before 60 years of age or two first-degree relatives with CRC at any age, colonoscopy is recommended every five years, beginning ten years prior to the earliest diagnosis in the family or at 40 years of age at the latest.
    True
    False

    Question 20. Specialist referral is indicated if patients have a positive faecal occult blood test.
    True
    False

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