IPHY 2420 EXAM 1 QUESTIONS AND
ANSWERS (GRADED A+)
Definition of Nutrition - ANSWER-science that studies food and how food nourishes our
bodies and influences our health
Health - 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 - ANSWER-your body
needs 65-75mg of vitamin C and thats equivalent to about one orange
Essential v.s nonessential - ANSWER-Essential: body doesnt produce it
nonessential: body produces it
Essential nutrients are broken down into what? - ANSWER-Macronutrients and
Micronutrients
Macronutrients - ANSWER-you need in large amounts
1. carbohydrates(energy)
2. proteins(energy)
3. fats(energy)
4. water
Micronutrients - ANSWER-you need in small amounts
-vitamins
-minerals
Carbohydrates - ANSWER-Primary source of energy for the body
(grains, veg, fruits, legumes, dairy, seeds, nuts)
Fats and Oils - 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 - 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 - ANSWER--only macronutrient that doesnt supply energy
-inorganic(doesnt contain carbon)
, -vital to life
vitamins - ANSWER-ORGANIC molecules required for bodys biochemical
reactions(metabolism)
Enzyme - ANSWER--speeds up reaction
-can break or form bonds
how many enzymes are there in the body? - ANSWER-about 250,000
Vitamins are broken down into what two soluble categories? - ANSWER-Fat-soluble
and Water-soluble
Fat soluble characteristics - ANSWER--Vitamins A, D, E, K
-nuts, seeds, oils, avocados,
where does the excess fat soluble vitamins go? - ANSWER-store in liver and
fats("adipose tissue")
Water soluble characteristics - ANSWER--Vitamins B's, and C (come from veg and fruit)
where does the excess water soluble vitamins go? - ANSWER--via kidneys(filtering out
blood)
-can be toxic if your kidneys cannot get rid of it
Sedentary calorie intake? - ANSWER-Inactive- about 2000 kcal
Athletes calorie intake? - ANSWER-about 4,000 kcal
AMDR? - ANSWER-Acceptable MACROnutrient distribution ranges
=how much carb, protein, fats, you need daily to maintain health and activity
(age, gender, and activity)
Mindful Eating - ANSWER--Listen to your body
-eat when hungry, stop when full
-eat small meals(5-6)
-eat slowly
4 Characteristics of a healthful diet - ANSWER--adequate
-moderate
-balanced
-varied
Adequate - ANSWER-(ENOUGH)
-provides enough energy, nutrients, and fiber to maintain health and activity
-depends on age, gender, muscle mass, acitvity, size)
ANSWERS (GRADED A+)
Definition of Nutrition - ANSWER-science that studies food and how food nourishes our
bodies and influences our health
Health - 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 - ANSWER-your body
needs 65-75mg of vitamin C and thats equivalent to about one orange
Essential v.s nonessential - ANSWER-Essential: body doesnt produce it
nonessential: body produces it
Essential nutrients are broken down into what? - ANSWER-Macronutrients and
Micronutrients
Macronutrients - ANSWER-you need in large amounts
1. carbohydrates(energy)
2. proteins(energy)
3. fats(energy)
4. water
Micronutrients - ANSWER-you need in small amounts
-vitamins
-minerals
Carbohydrates - ANSWER-Primary source of energy for the body
(grains, veg, fruits, legumes, dairy, seeds, nuts)
Fats and Oils - 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 - 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 - ANSWER--only macronutrient that doesnt supply energy
-inorganic(doesnt contain carbon)
, -vital to life
vitamins - ANSWER-ORGANIC molecules required for bodys biochemical
reactions(metabolism)
Enzyme - ANSWER--speeds up reaction
-can break or form bonds
how many enzymes are there in the body? - ANSWER-about 250,000
Vitamins are broken down into what two soluble categories? - ANSWER-Fat-soluble
and Water-soluble
Fat soluble characteristics - ANSWER--Vitamins A, D, E, K
-nuts, seeds, oils, avocados,
where does the excess fat soluble vitamins go? - ANSWER-store in liver and
fats("adipose tissue")
Water soluble characteristics - ANSWER--Vitamins B's, and C (come from veg and fruit)
where does the excess water soluble vitamins go? - ANSWER--via kidneys(filtering out
blood)
-can be toxic if your kidneys cannot get rid of it
Sedentary calorie intake? - ANSWER-Inactive- about 2000 kcal
Athletes calorie intake? - ANSWER-about 4,000 kcal
AMDR? - ANSWER-Acceptable MACROnutrient distribution ranges
=how much carb, protein, fats, you need daily to maintain health and activity
(age, gender, and activity)
Mindful Eating - ANSWER--Listen to your body
-eat when hungry, stop when full
-eat small meals(5-6)
-eat slowly
4 Characteristics of a healthful diet - ANSWER--adequate
-moderate
-balanced
-varied
Adequate - ANSWER-(ENOUGH)
-provides enough energy, nutrients, and fiber to maintain health and activity
-depends on age, gender, muscle mass, acitvity, size)
