Shared Flashcard Set

Details

awesome
lame ass
55
Nutrition
3rd Grade
04/21/2013

Additional Nutrition Flashcards

 


 

Cards

Term
what causes depression in higher elevations?
Definition
lack of creatine in body
Term
what is hypocapnia? (elevation related)
Definition
breathing more, causing there to be less plasma in blood
Term
what is the desirable fat for male athletes?
Definition
5-18%
Term
what is the desirable fat for female athletes
Definition
17-29%
Term
what is the main fuel for many types of activity?
Definition
Carbohydrates
Term
an athelete should have no less than____mg of carbohydrate/kg body weight
Definition
5
Term
who needs carbohydrates most
Definition
aerobic endurance athletes
Term
when would you use carb loading?
Definition
when you are in an event lasting longer than 60-90 minutes, EX: (marathons, cross country skiing)
Term
what is the negative affect of carb loading
Definition
additional water weight (makes you heavier)
Term
fat needs for your body are___ % of kcal
Definition
35
Term
recommended grams of protein
Definition
0.8-1.7 gm protein/kg body weight
Term
True of false? protein needs are easily met through nutrition
Definition
True
Term
are protein supplements necessary?
Definition
protein supplements are not necessary
(excessive protein has not been shown to be beneficial)
Term
vitamin E and C
Definition
slightly higher needs for antioxidant properties
Term
iron deficiency affects
Definition
performance(especially in endurance athletes) especially women because of menstruation
+sports anemia
Term
Calcium needs for women are
Definition
restricted to dairy products
Term
iron rich foods are what color?
Definition
dark green veggies
Term
calcium deficiency increase risk of
Definition
stress and bone health
Term
fluid needs for adults
Definition
-9 cups per day for women
-13 cups per day for men
(athletes need more)
Term
what are some essential parts of fluid in the body?
Definition
-maintenance of bodies cooling system
-water helps dissipate heat from working muscles
Term
True or False: thirst is a reliable indicator of fluid needs?
Definition
False
Term
drink_____ cups of fluids per each pound of weight loss during activity
Definition
2-3
Term
heat exhaustion is defined by:
Definition
+heat stress causes depletion of blood volume due to fluid loss
+body heat is dissipated through evaporation of sweat
+fluid loss (sweat)-3-8 c per hour
+dehydration decreases endurance, strength, performance
+signs: profuse sweating, headache, dizziness, nausea, weakness, visual disturbances
Term
heat stroke is defined by:
Definition
+high blood flow to working muscles
-overloads bodys cooling system(sweating ceases, skin becomes hot and dry, internal body temperature reaches 104, fatality rate high)
Term
Sports drinks for endurance exercise
Definition
are recommended but have no protein
Term
what is the biggest differences in energy and sport drinks?
Definition
theirs a lot less sugar in sports drinks?
Term
what is a pre-endurance event meal
Definition
light meal 2-4 hours prior to event/completion (lots of carbs)
-blended or liquid meal recommeneded for meals eatin 1-2 hours prior
Term
Replenishing muscle glycogen
Definition
+availabitlity of adequate carbohydrate
+ingestion of carbohydrate soon after exercise
+selection of high glycemic-load carbohydrate
+combination of carbohydrate and protein foods
Term
what is a recovering meal
Definition
+carbohydrate rich meal within 30 min after endurance event
-choose high glycemic index food, aim for 3:1 carb to protein
Term
gels and bars
Definition
+provide additional fuel, should be taken with fluids,expensive source of nutrients
-ideal for endurance athletes
Term
Body cells must first convert food energy to?
Definition
ATP (adenosine triphosphate)
Term
food born illness
Definition
-greatest risk from viral and bacterial contamination, major cause of diarrhea
-usually formed from unsafe food handling in the home
Term
cases for foodborn illness
Definition
viruses, bacteria, parasites
Term
who is most susceptible to food born illness?
Definition
infants, children, older adults
-people with liver disease,hiv, aids, cancer, pregnant women
Term
food safety industry
Definition
CDC(center of disease control)
Term
causes for food borne illness
Definition
-mishandling of foods (raw meats touching, not washing hands)
-preference for meat cooked “rare”
-imported ready to eat foods
-antibiotic-resistant strains (use of antibiotics in animal feeds
Term
preservation of food
Definition
-preventing growth of bacteria
-salt, sugar, smoke, fermentation, drying
-limit water available for bacteria
Term
types of food preservation include:
Definition
Pasteurization, steriliazation, refrigeration, freezing, irradiation, canning, chemical preservation
Term
Food irradiation
Definition
does not make food radioactive
controls growth of insects, bacteria, fungi, parasites,
-approved for use for raw meats, shell eggs, seeds, dried seasonings
-used in many countries, still controversial
Term
why are microbes so harmful
Definition
infection: bacteria invade intestinal wall via toxin contained in organism
-intoxication: bacteria produce toxin that is secreted into food
Constant risk of foodborne illness
Term
why are food additives used
Definition
-limit spoilage
-prevent undesirable changes in color and flavor
-increase safety of food distribution
Term
what does GRAS stand for? and what is it?
Definition
(generally recognized as safe) means a certain manufacture is safe(already regarded as safe
Term
FDA approval of new food additive includes
Definition
must identify and give chemical composition
-it's measurment, intended purpose
-provide proof of safety
Term
any substance or mixture of substances inteneded to prevent, destroy, repel, or mitigate any pest is a(n)
Definition
pesticide
Term
organic foods cannot use
Definition
synthetice pesticides, fertilizers, hormones, antibiotics, sewage sludge, genetic engineering or irradiation
Term
organic foods
Definition
-Satisfies human food needs, enhances environmental quality.
-efficiently use nonrenewable resources
-enhances the quality of life of farmers and society
Term
locally grown foods
Definition
-locavore, support local farmers, fresher
-don't not have added cost of long transportation, helps the environment
Term
how can you avoid microbes at a store?
Definition
-buy frozen perishable foods last
-place meets in plastic bags
-don't buy dented cans
-buy only pasteurized milk and cheese
Term
how to avoid microbes at home
Definition
-wash hands thoroughly
-keep everything clean(equipment)
-prepare meat separately
Term
when should meat be used to avoid microbes?
Definition
-refrigerated meat 1-2 days;
-frozen meat 3-4 months
Term
avoid microbes while cooking by?
Definition
-thoroughly cook meat, fish, poultry, eggs
-check for doneness with thermometer
-eat food right away
-use clean plates
Term
what to do with leftovers?
Definition
-keep hot foods hot and cold foods cold
-reheat leftovers thoroughly (165F)
Term
what percent of adults are overweight?
Definition
68%
Term
what percent of the total population is obese?
Definition
34%
Term
factors that influence basil metabolism
Definition
-body surface area(height,weight)
-lean body mass
-gender(greater lean tissue)
Supporting users have an ad free experience!