Exam Qs Flashcards
What happens to calcium needs in adolescents?
Why?
⬆️
Due to Max bone growth happening at this stage
Why do elderly people need to focus on nutrient dense foods?
Due to having lower ability to absorb nutrients
Lower appetites
What is the biological value of a food protein a measure of?
How many of the ESSENTIAL aa are present
What does the digestibility of lactose in adults depend on?
Lactose persistence
How does dietary fibre assist in blood glucose management?
By slowing gastric emptying = slowing glucose absorption
How does the glycemic load differ from the GI index?
GL considers amount of food consumed + CHO amount.
How is food intake regulated?
By hormones that signal hunger.
i.e ghrelin is secreted when the stomach is empty
What conditions are needed for iron absorption?
Ferritin
Low iron storages
What is absorbed into and then transported via the lymphatic system?
Fat-soluble vitamins
