What Type of Bowel Preparation May Be Required Before a Sigmoidoscopy

Multiple Choice

What type of bowel preparation may be required before a sigmoidoscopy?

A) Not consuming any solid food the day before the procedure
B) Drinking only clear liquids the day before the procedure
C) Taking a laxative the evening before the examination
D) Performing cleansing enemas the day of the procedure
E) All of the above