Energy

Question 1

What is Energy

Answer 1

The capacity to do work

Question 2

How much energy is in 1 kcal?

Answer 2

The amount of heat required to raise one Kilogram of water by one degree Celcius.

Question 3

What is the international (SI) unit of measurement for energy?

Answer 3

Joules (J) or Kilojoules (kj)

Question 4

What are the 3 types of Energy?

Answer 4

Gross Energy (GE)
Digestible Energy (DE)
Metabolizable Energy (ME)

Question 5

Which type of Energy is the Total amount of potential energy within a diet?

Answer 5

Gross Energy GE

Question 6

Which type of Energy is available for absorption across the intestinal mucosa?

Answer 6

Digestible Energy DE
*it is lost only in feces

Question 7

Which type of Energy is available for use?

Answer 7

Metabolizable Energy ME
*lost in feces & urine

Question 8

A food’s Metabolizable Energy is dependent on what 2 things?

Answer 8

1. Nutrition Composition
2. The animal consuming it

Question 9

What is the Atwater factor for?

Answer 9

Calculating the energy in foods

Question 10

What is the Modified Atwater Factor?

Answer 10

A Modified Factor to calculate the energy in pet food (it is based on the digestibility of the food).