FIRST PUBLISH OCTOBER 2024
FSHN final Exam Practice Questions and Answers
how do energy & nutrient needs change with aging? - Ans:✔✔-Energy needs decrease~5% per decade.
% of CHO, fat and protein (AMDR) don't change.
what happens to RMR (or BMR) during aging?
why?
what are the implications? - Ans:✔✔-decreases with age, decreased lean muscle mass.
Implications: need fewer kcal, weight gain of diet not modified.
how might nutrition be affected be or cause: sensory loss, tooth loss, GI tract infection? - Ans:✔✔-
Sensory loss may be linked to decrease in zinc intake. Tooth loss may be linked to decrease in fruit, veg,
meat consumption (low in fiber, low vit./minerals).
GI tract function intestinal wall loses strength, Lack of HCI (stomach acid) may impact iron, vit. B-12
status, difficulty swallowing.
how can medications interact with nutrients or food? - Ans:✔✔-Alter food intake. alter digestion,
absorption, metabolism. drugs may treat one problem & cause a different problem. Ex. antacids + B12,
folate, iron.
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what is the purpose of a food guidance system like MyPlate?
How does MyPlate differ from the DRI's (RDA, AI, etc.) and the Dietary Guidelines for Americans? -
Ans:✔✔-visual cue for healthy eating. MyPlate is the USDA's most recent food guide.
it divides food into groups, based on the nutrients they supply most abundantly, & illustrates the
appropriate proportions of food from each food group that makes up a healthy diet.
learn how to use MyPlate. you should know how to categorize food into each of the various groups. -
Ans:✔✔-you can obtain your personalized food plan by looking up the USDA Food Plan that meets your
calorie needs on wee.ChooseMyPlate.gov
what are the general messages of the Dietary Guidelines for Americans? - Ans:✔✔-prevent &/or reduce
overweight & obesity through improved eating & physical activity. control calorie intake. reduce calorie
intake if over weight. increase physical activity & reduce time spent in sedentary behaviors. maintain
appropriate calorie balance during each stage of life. (childhood, adolescent, pregnancy, breastfeeding &
older age)
why is water intake so important for athletic performance?
how much water is typically lost in sweat during an hour of exercise?
how much loss of water will start to impair performance? - Ans:✔✔-as the severity of dehydration
increases, exercise performance declines.
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average conditions of water loss: 1.5 liters/hr.
maximum sweat rates: 2-3 liters/hr. (in trained athletes & hot conditions)
water loss as little as 2% of the body weight can impair physical & mental performance.
how much water should an athlete consume before, during, & after exercise?
can an athlete rely on thirst to determine when to drink? - Ans:✔✔-2 hours before: about 16 oz.
immediately before: 7-12 oz.
during: 6-12 oz. every 15-20 minutes.
after: within 4-6 hours 16-24 oz. fluids/lbs. of weight loss.
no. most people drink enough to assuage their thirst, but not enough to replace water loss.
what factors influence how much energy is expended during physical activity?
what is the fuel source for this energy expenditure?
if you run the mile fast, will you utilize proportionality burn more fat or carbohydrate for energy?
how would your fuel mixture change during a 12-mile run if you run the same speed the whole way?
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what is your major fuel during very high intensity (anaerobic) exercise? how does this state of training
affect the fuel mixture during exercise? - Ans:✔✔-1) intensity of exercise. increase in intensity increase
CHO use.
2) duration of activity. increase duration increase fat use.
3) state of training. increase endurance training increase fat use.
carbohydrates.
you would eventually us glucose & fatty acids for fuel.
during high intensity exercise, the proportion of energy supplies by anaerobic metabolism increases, so
glucose becomes the predominant fuel.
how can you increase muscle & liver glycogen levels with diet?
how can this affect exercise endurance. are there any reasons for an athlete not to maximize glycogen
storage? - Ans:✔✔-by following a glycogen super compensation or carbohydrate loading. trained
athletes who follow a carbohydrate-loading regimen can continue to exercise for longer periods.
no.
what are the protein recommendations for athletes? - Ans:✔✔-10-15% of kcal
protein 0.8 to 2.0 g/kg body weight.
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