Fiber exam 1 Flashcards Preview

Nutrition Concept and Controversies > Fiber exam 1 > Flashcards

Flashcards in Fiber exam 1 Deck (16)
Loading flashcards...
1
Q

What is fiber?

A

Fiber are carbs that the body cannot break down

2
Q

What are the types of fiber?

A
Dietary fiber
functional fiber
        or 
soluble fiber
insoluble fiber
Viscous fibers 
Fermentable fibers
3
Q

What are the health benefits of soluble fiber?

A

Lower serum lipids and glucose levels

4
Q

What are the health benefits of insoluble fiber?

A

Laxative benefits (promotes movement through GI tract and increases stool weight)

5
Q

What are the needs for fiber for those under 50 years old for men and women?

A

38 g/d MEN

25 g/d WOMEN

6
Q

What should you do when you increase fiber into the diet?

A

drink plenty of water, because fiber works best when absorbed by water
add it slowly over time, because it can lead to GI stress

7
Q

What are prebiotics?

A

fermented ingredient that allows specific changes, both in the composition and/or activity in the gastrointestinal microflora, that confer benefits

8
Q

Are all prebiotics fiber?

A

yes

9
Q

Are all fiber prebiotics?

A

no

10
Q

Where are probiotics fermented?

A

intestinal microflora

11
Q

What is the human microbiota?

A

Collection of microbes that live on and in our body inhabiting the gut

12
Q

Where can you find natural forms of a prebiotic?

A

Leeks, asparagus, chicory, garlic, onions, wheat, oats, and soybeans

13
Q

What are probiotics?

A

live microorganisms that are consumed and thought to have health benefits

14
Q

What are the health benefits of probiotics?

A

reduce diarrea

improved symptoms of IBS

15
Q

What diseases can fiber reduce the risk of according to the Academy of Nutrition and Dietetics?

A

cardiovascular disease

Chronic kidney diease

16
Q

Benefits of SCFA?

A
  • Regulate sodium and water absorption
  • Enhance absorption of calcium and other minerals
  • Lower colonic pH – inhibit potential pathogens and promote growth of beneficial bacteria