Week 2 - Energy Balence

Question 1

What is indirect calorimetry?

Answer 1

Estimates energy expenditure based on gas exchange measurements at the mouth.

Question 2

What is direct Calorimetry ?

Answer 2

Measures the heat output by the body, in a chamber, i.e. a measure of the total energy expended.

Question 3

P.A.R

Answer 3

Physical Activity Ratio

Question 4

What does postprandial mean?

Answer 4

After eating

Question 5

a Kilojoule (kJ) is the energy used …

Answer 5

when 1kg is moved by 1m by a force of Newton

Question 6

a kilocalorie (kcal) expresses

Answer 6

the quantity of heat needed to raise the temperature of 1kg (1L) of water by 1ºC

Question 7

Gross means

Answer 7

total energy at the start

Question 8

state the calories for protein

Answer 8

4kcal

Question 9

state the calories for fat

Answer 9

9kcal

Question 10

state the calories for carbs

Answer 10

3.75kcal

Question 11

state the calories for alcohol

Answer 11

7kcal

Question 12

B.M.R

Answer 12

Basal Metabolic Rate

Question 13

T.E.R

Answer 13

total energy

requirement

Question 14

T.E.F

Answer 14

Thermic effect of food

Question 15

example of direct calorimetry

Answer 15

sealed room

Question 16

example of indirect calorimetry

Answer 16

Douglas bag method

Question 17

respiratory exchange ratio

Answer 17

co2 produced over 02 produced

Question 18

R.Q

Answer 18

Respiratory quotient