Higher Health And Food Technology Practice Questions - Scottish Higher Health And Food Technology (Qualifications Scotland SCQF Level 6) Exam

What primary function does insoluble dietary fibre perform within the human gastrointestinal tract?

It neutralises gastric hydrochloric acid in the stomach lumen It adds bulk to faeces and stimulates peristalsis to prevent bowel disorders It hydrolyses complex lipids into free fatty acids and glycerol It acts as a primary energy substrate for aerobic cellular respiration

Correct Answer:

It adds bulk to faeces and stimulates peristalsis to prevent bowel disorders

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