IPHY 2420 Exam 1 UPDATED
QUESTIONS AND CORRECT ANSWERS
Definition of Nutrition - CORRECT ANSWER science that studies food and how food
nourishes our bodies and influences our health
Health - CORRECT ANSWER "the condition of an organism or one of its parts in which it
performs its vital functions, free of disease and pain"
How many mg of vitamin C do you need a day? And one example - CORRECT ANSWER your
body needs 65-75mg of vitamin C and thats equivalent to about one orange
Essential v.s nonessential - CORRECT ANSWER Essential: body doesnt produce it
Nonessential: body produces it
Essential nutrients are broken down into what? - CORRECT ANSWER Macronutrients and
Micronutrients
Macronutrients - CORRECT ANSWER you need in large amounts
1. Carbohydrates(energy)
2. Proteins(energy)
3. Fats(energy)
4. Water
Micronutrients - CORRECT ANSWER you need in small amounts
-vitamins
-minerals
Carbohydrates - CORRECT ANSWER Primary source of energy for the body
(grains, veg, fruits, legumes, dairy, seeds, nuts)
, Fats and Oils - CORRECT ANSWER -Important source of energy at rest and during low
intensity exercise
-foods containing fats also provide fat-soluble vitamins and essential fatty acids
(solid and liquid fats, dairy, oils, avocados, nuts seeds)
Proteins - CORRECT ANSWER -support tissue growth, repair, and maintenance
-can provide energy(but not used for energy)
-foods with protein supple essential amino acids
(dairy, whole grains, seeds, nuts, legumes, some in veg)
Water - CORRECT ANSWER -only macronutrient that doesnt supply energy
-inorganic(doesnt contain carbon)
-vital to life
Vitamins - CORRECT ANSWER ORGANIC molecules required for bodys biochemical
reactions(metabolism)
Enzyme - CORRECT ANSWER -speeds up reaction
-can break or form bonds
How many enzymes are there in the body? - CORRECT ANSWER about 250,000
Vitamins are broken down into what two soluble categories? - CORRECT ANSWER Fat-
soluble and Water-soluble
Fat soluble characteristics - CORRECT ANSWER -Vitamins A, D, E, K
-nuts, seeds, oils, avocados,
Where does the excess fat soluble vitamins go? - CORRECT ANSWER store in liver and
fats("adipose tissue")
QUESTIONS AND CORRECT ANSWERS
Definition of Nutrition - CORRECT ANSWER science that studies food and how food
nourishes our bodies and influences our health
Health - CORRECT ANSWER "the condition of an organism or one of its parts in which it
performs its vital functions, free of disease and pain"
How many mg of vitamin C do you need a day? And one example - CORRECT ANSWER your
body needs 65-75mg of vitamin C and thats equivalent to about one orange
Essential v.s nonessential - CORRECT ANSWER Essential: body doesnt produce it
Nonessential: body produces it
Essential nutrients are broken down into what? - CORRECT ANSWER Macronutrients and
Micronutrients
Macronutrients - CORRECT ANSWER you need in large amounts
1. Carbohydrates(energy)
2. Proteins(energy)
3. Fats(energy)
4. Water
Micronutrients - CORRECT ANSWER you need in small amounts
-vitamins
-minerals
Carbohydrates - CORRECT ANSWER Primary source of energy for the body
(grains, veg, fruits, legumes, dairy, seeds, nuts)
, Fats and Oils - CORRECT ANSWER -Important source of energy at rest and during low
intensity exercise
-foods containing fats also provide fat-soluble vitamins and essential fatty acids
(solid and liquid fats, dairy, oils, avocados, nuts seeds)
Proteins - CORRECT ANSWER -support tissue growth, repair, and maintenance
-can provide energy(but not used for energy)
-foods with protein supple essential amino acids
(dairy, whole grains, seeds, nuts, legumes, some in veg)
Water - CORRECT ANSWER -only macronutrient that doesnt supply energy
-inorganic(doesnt contain carbon)
-vital to life
Vitamins - CORRECT ANSWER ORGANIC molecules required for bodys biochemical
reactions(metabolism)
Enzyme - CORRECT ANSWER -speeds up reaction
-can break or form bonds
How many enzymes are there in the body? - CORRECT ANSWER about 250,000
Vitamins are broken down into what two soluble categories? - CORRECT ANSWER Fat-
soluble and Water-soluble
Fat soluble characteristics - CORRECT ANSWER -Vitamins A, D, E, K
-nuts, seeds, oils, avocados,
Where does the excess fat soluble vitamins go? - CORRECT ANSWER store in liver and
fats("adipose tissue")
