Chapter 1, 2, 3 Test Study Guide
Questions with Answers
what is dietetics? - correct answers>>>science concerned with
nutritional planning and preparation of foods
What is a Registered Dietitian? - correct answers>>>A professionally
trained and educated (person) in dietetics
What is nutrition? - correct answers>>>Nourishment, the food we eat
and how the body uses it
What are the signs of good nutrition? - correct answers>>>Well
developed body
Good muscle development
Clear eyes
Smooth skin
Good posture
Glossy hair
Alert
Ideal weight for body composition (ration of muscle mass to height)
Positive outlook
Resists infections
,Normal appetite
Digestion & Elimination
Extended years of normal functioning
What is metabolism? - correct answers>>>The sum of all chemical
changes that take place in the body by which it maintains itself and
produces energy for its functioning (products of the various reactions
are called metabolites)
To sustain life, nutrients in food must perform what three basic
functions? - correct answers>>>Provide energy
Build tissue
Regulate metabolic processes
What is the major function of protein? - correct answers>>>To build
tissue
In the functions of nutrients in food, what are the two energy sources? -
correct answers>>>Primary energy source
Secondary energy source
What nutrient in food does primary energy source consist of? - correct
answers>>>Carbohydrates
, What nutrients in food does secondary energy source consist of? -
correct answers>>>Fats
Proteins
What is the Primary energy source of fuel for heat and energy in the
body? - correct answers>>>Carbohydrates
What is the primary energy source that maintains the body's back-up
store of quick energy? - correct answers>>>Carbohydrates
What primary energy source should provide 45% to 65% of total
kilocalories for the body? - correct answers>>>Carbohydrates
What is a secondary energy source that provides a SECONDARY
(storage) form of heat and energy? - correct answers>>>Fats
What secondary energy source should provide no more than 20% to
35% of total kilocalorie for the body? - correct answers>>>Fats
What is a secondary energy source that it's primary function is tissue
building? - correct answers>>>Proteins
What secondary energy source should provide no more than 10% to
35% of total kilocalories for the body? - correct answers>>>Proteins