Ch 8. Nutrient Review Flashcards
vitamins, minerals and water are considered
micro-nutrients
what is the dietary reference intakes (DRI)
the entire set of values considered for optimum health, used for planning and assessing diets
why may supplementation be an appropriate addition to ‘real food’
advances in food science have caused nutrient depletion in some foods
a ‘balanced diet’ includes
correct portions of various macro & micro nutrients
a variety which assures that functional requirements are being met
a balance that ensures few to no bodily function deficiencies exist
all parts of the food pyramid
what is caloric density
number of calories per weight of the food
T/F: the term ‘empty calories’ refers to foods which have high nutrient density and high caloric density
false
T/F: vitamins produce energy
false
T/F: excess quantities of vitamins do NOT enhance bodily functions
true
which group of vitamins aids in metabolism
B vitamins
what maintains body temperature, allows for movement of nutrient and contributes to over 50% of all internal chemical reactions
water
what is an inorganic compound that is a natural element of the enviorment
mineral
what is an element in the hemoglobin of red blood cells which enable them to carry oxygen
iron
what is a nutrient that is not synthesized by the body in enough quantity to sustain function, and therefore must be part of a balanced diet
essential
what is a condition of heat exhaustion
headache and dizziness, soaked with sweat, and pale skin
what is a condition of heat stroke
very high body temperature with no sweating
what can prevent heat exhaustion and/or heat stroke
no vigorous activity in extreme heat
no alchol or caffine before exercise
proper hydration if activity is extended and vigorous
wear breathable clothing
the only way for water to reach the cells and all of the places that it is needed is for it to be absorbed in the ______
small intestine
The body’s work capacity is directly effected by dehydration. At _____% dehydration, work capacity decreases by 12-15%
2%
