True/False MCQ · Colorectal Cancer
Regarding risk factors for colorectal cancer, the following statements are TRUE:
- AA low-fibre, high-animal-fat diet increases risk
- BFamilial adenomatous polyposis (FAP) is a risk factor
- CA high-fibre diet is a major risk factor
- DInflammatory bowel disease is a risk factor
- EPrevious pelvic irradiation is a risk factor
Show answers and explanation
- A. True
- B. True
- C. False: A high-fibre diet is protective against colorectal cancer, not a risk factor; it is a low-fibre diet that increases risk.
- D. True
- E. True
Risk factors for colorectal cancer
Diet, genetics and other factors contribute.
Risk factors
- Diet: low fibre, high animal fat/red and processed meat, nitrosamines; smoking; alcohol.
- Genetic: FAP, HNPCC.
- Other: inflammatory bowel disease, previous pelvic irradiation.
The protective factor
- A high-fibre diet is protective, not a risk factor.
Statement-by-statement verdict
Why A is true
A low-fibre, high-animal-fat diet increases risk.
Why B is true
FAP is a risk factor.
Why C is false
A high-fibre diet is protective, not a major risk factor.
Why D is true
IBD is a risk factor.
Why E is true
Previous pelvic irradiation is a risk factor.
Practise every Gastroenterology and GI Surgery topic
This is a free sample. Sign up for the full bank of flashcards and exam-style questions on a spaced-repetition schedule, with 20 free stars a day.