Nutrition & BMR

Question 1

Macronutrition is?

Answer 1

obtaining energy to fuel normal activity

Question 2

how many MJ does typical adult need per day?

Answer 2

10MJ and all is radiated as heat

Question 3

what is BMR?

Answer 3

minimum energy to sustain life

Question 4

how much % of daily energy expenditure is exercise usually?

Answer 4

~40%

Question 5

What is an atwater chamber?

Answer 5

controlled environment used to measure daily averages of MJ

Question 6

What is bomb calorimetry?

Answer 6

direct measure of energy combustion in food

Question 7

Bomb calorimetry compared to body?

Answer 7

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

Question 8

2 fates of alcohol?

Answer 8

turns into acetate then:

1. energy
2. fat

Question 9

how many MJ of your daily 10 is the BMR?

Answer 9

~7MJ

Question 10

What is specific dynamic effect (SDE) in nutrition?

Answer 10

postprandial thermogenesis, heat and energy needed for digestion.

Question 11

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

Answer 11

More energy in thermoregulation

Question 12

Daily exercise recommendation?

Answer 12

30 minutes

Question 13

What is Kleiber’s Law?

Answer 13

larger body size are more efficient

Question 14

who has higher BMR? round or tall?

Answer 14

Tall

Question 15

What does high body fat do to BMR?

Answer 15

decreases it as fat needs little energy to maintain

Question 16

Adult brain uses ___% of BMR?

Answer 16

20%