The average salary is 24,000, but most people earn less. Most people have an above average number of feet. In his fourth lesson of a weekly series, author Michael Blastland cracks the myth of the average.ith incomes, to take another example, many people are aware that the average in the UK (also known as the mean) is about 24,000 a year (in fact, about 463 a week).
Unlike a colonoscopy, however, the 'range' of a sigmoidoscopy is not as good; whilst a colonoscopy can visualise the entire large bowel, a sigmoidoscopy can only visualise as far as the sigmoid colon (it is therefore primarily used to visualise the rectum and parts of the sigmoid colon).nlike a colonoscopy, however, the 'range' of a sigmoidoscopy is not as good; whilst a colonoscopy can visualise the entire large bowel, a sigmoidoscopy can only visualise as far as the sigmoid colon (it is therefore primarily used to visualise the rectum and parts of the sigmoid colon).
Flexible sigmoidoscopy is a test that a doctor uses to check the inner lining of your rectum and the lower part of your colon. You may get this test if you have certain gut problems, such as abdominal pain, rectal bleeding, or changes in bowel habits. Itâs also one of the tools that doctors use to check people for colon and rectal cancer. A sigmoidoscope is a long, flexible tube thatâs about half an inch in diameter. It has a tiny light and camera. A doctor uses it to view the lining of the rectum and the lower third of the colon.