NR228 Week 2 Carbohydrates: Questions And
Solutions
What are simple carbohydrates? Right Ans - monosaccharides and
disaccharides
what are monosaccharides? Right Ans - glucose
fructose
galactose
*most easily used by the body*
what are disaccharides? Right Ans - sucrose
maltose
lactose
what are complex carbohydrates? Right Ans - polysaccharides
-starch
-dietary fiber
what is the dietary reference intake for adults ages 19-30 with carbs? Right
Ans - 130 grams/day
what is the adequate intake (AI) for dietary fiber in men and women? Right
Ans - men - 38 grams/day
women- 25 grams/day
what is the acceptable macronutrient distribution range (AMDR) for complex
carbs? Right Ans - 45-65% of kcal intake/day
where is glycogen stored? Right Ans - in the liver and muscles as backup
energy
what is glycogenesis? Right Ans - converting glucose to glycogen
what is glycogenolysis? Right Ans - converting glycogen back to glucose
where is glucose found? Right Ans - corn syrup
, where is fructose found? Right Ans - fruits and honey
what is galactose found? Right Ans - milk
where is sucrose found? Right Ans - table sugar
where is lactose found? Right Ans - milk sugar, dairy products
where is maltose found? Right Ans - malt sugar like brewed beer
where is starch found? Right Ans - -whole grains like wheat oat and barley
-legumes like beans
-veggies like potatoes
can dietary fiber be broken down by the digestive system? Right Ans - no
-passes through body without providing nutrients
*think of keto diet, fiber count goes towards carb count to create net carbs*
what is soluble fiber? Right Ans - fiber that dissolves in water
-oatmeal, legumes
what is insoluble fiber? Right Ans - dietary fiber that does not dissolve in
water
-apple, popcorn
what fiber creates a softer, bulkier and more regular stool? Right Ans -
insoluble fiber
-sticks more
what fiber feeds your good gut bacteria once it reaches the colon? Right
Ans - soluble fiber
if not enough carbs supply in the body then fat is metabolized forming ketones
which is called ________________ Right Ans - gluconeogenesis
*too much ketones in body cause ketoacidosis which can be lethal
lipids and proteins can be used as what? Right Ans - energy
*but brain functions best on glucose
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