What is Nutrition?

Question 1

What are the subclasses of nutrients and what belongs where

Answer 1

1. Essential vs non
   carbs lipids proteins water - vitamins minerals
2. Macro vs micro
   macro - carbs lipids proteins water vs vit and min
3. Energy producing vs non energy producing
   carbs lipids proteins vs water vit + minerals

Question 2

What is energy and what is measured in

Answer 2

Capacity to do work
kcals
how much energy it takes to raise 1kg/1L of water to 1C

Question 3

Atwater values for macronutrients

Answer 3

carbs and proteins 4kcal/g
lipids 9kcal/g
alcohols 7kcal/g

Question 4

How many essential vit and minerals are there

Answer 4

13 and 16

Question 5

What is DRI

Answer 5

Dietary requirement intakes

Question 6

What is EAR

Answer 6

est. average requirement

- daily recommended intake to maintain health in 50% of population

Question 7

RDA

Answer 7

recommended dietary allowance

- recommended intake to maintain health in 98% of population

Question 8

AI

Answer 8

adequate intake

- when there is not enough evidence to determine an EAR, we use scientific judgment to determine the intake for 98%

Question 9

What is used for macronutrients and other energy nutrients?

Answer 9

EER and AMDR

Question 10

EER

Answer 10

Estimated energy requirements
- energy intake predicted to maintain energy
key is balance
intake = expidenture

Question 10

What is EER based off of

Answer 10

Age, weight, gender, height and physical activity

Question 11

What are the percentages for AMDR

Answer 11

Carbs 45-65
Proteins 10-35
Lipids 20-35