The Amount of Energy Derived from Nutrients is Most Commonly

Question

The amount of energy derived from nutrients is most commonly expressed in
A)ergs
B)kilocalories
C)Daltons
D)Newtons
E)BTUs

Accepted Answer

Kilocalories (kcal) are the most commonly used unit to express the amount of energy derived from nutrients in food. One kilocalorie is equal to the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius. This measure is used because it provides a more practical estimate of the energy value of food than smaller units such as ergs or Daltons, or larger units such as BTUs or Newtons.