Nutrition & BMR Flashcards Preview

Jason's Metabolism Block > Nutrition & BMR > Flashcards

Flashcards in Nutrition & BMR Deck (16):
1

Macronutrition is?

obtaining energy to fuel normal activity

2

how many MJ does typical adult need per day?

10MJ and all is radiated as heat

3

what is BMR?

minimum energy to sustain life

4

how much % of daily energy expenditure is exercise usually?

~40%

5

What is an atwater chamber?

controlled environment used to measure daily averages of MJ

6

What is bomb calorimetry?

direct measure of energy combustion in food

7

Bomb calorimetry compared to body?

body less efficient, fat: only 95% and protein only 92% as efficient as bomb calorimetry

8

2 fates of alcohol?

turns into acetate then:
1. energy
2. fat

9

how many MJ of your daily 10 is the BMR?

~7MJ

10

What is specific dynamic effect (SDE) in nutrition?

postprandial thermogenesis, heat and energy needed for digestion.

11

if it's cold, you use more or less energy?

More energy in thermoregulation

12

Daily exercise recommendation?

30 minutes

13

What is Kleiber's Law?

larger body size are more efficient

14

who has higher BMR? round or tall?

Tall

15

What does high body fat do to BMR?

decreases it as fat needs little energy to maintain

16

Adult brain uses ___% of BMR?

20%