ISSA Nutritionist: Unit 4

Question 1

Joule

Answer 1

Unit of energy; 4.184 Joules equal 1 calorie

Question 2

Calorie (large calorie)

Answer 2

Amount of energy required to raise the temperature of one kilogram of water by 1 degree Celsius; equal to 4184 Joules

Question 3

calorie (small calorie)

Answer 3

Amount of energy required to raise the temperature of one gram of water by 1 degree Celsius; equal to 4.184 Joules

Question 4

kcal

Answer 4

Used to express food energy, represents a Calorie

Question 5

bomb calorimeter

Answer 5

A rigid vessel used for measuring the heat of combustion

Question 6

respiratory quotient (RQ)

Answer 6

The ratio of the volume of carbon dioxide expired to the volume of oxygen consumed in a given period of time, indicative of the substrates being used

Question 7

indirect calorimetry

Answer 7

Estimation of energy expenditure via the measurement of oxygen consumption and carbon dioxide production

Question 8

direct calorimetry

Answer 8

Direct measurement of heat output by the body; used as an index of energy expenditure

Question 9

energy imbalance

Answer 9

When the amount of energy intake doesn’t meet or exceeds, the amount of energy output

Question 10

vascularization

Answer 10

The development of vessels in a tissue

Question 11

electrolyte

Answer 11

Compound that when placed in solution becomes an ion; regulates flow in and out of cells