verified answers graded A+ updated
How do energy and nutrient needs change with aging? - correct answer ✔✔Energy decreases
5% per decade
Micronutrient needs stay the same, nutrient density increases
What happens to RMR during aging? - correct answer ✔✔Decreases with age
How is nutrition a factor in sensory loss? - correct answer ✔✔Linked to a decrease zinc intake
How is nutrition a factor in tooth loss? - correct answer ✔✔Dentures are less effective than real
teeth
Fruit, vegetable, meat consumption down
How is nutrition a factor in GI tract function? - correct answer ✔✔Intestional wall loses strength
Lack of HCl
-May impact iron, vitamin B-12
How can medications interact with nutrients or food? - correct answer ✔✔They alter food
intake, digestion, absorption, and metabolism
What is the purpose of a food guidance system like MyPlate? How does MyPlate differ from the
DRIs (RDA, AI, etc) and the Dietary Guidelines for Americans? - correct answer ✔✔-Provide all
of the essential nutrients in adequate amounts
-Meet nutrient needs without exceeding calorie needs
, How does MyPlate differ from the DRIs (RDA, AI, etc) and the Dietary Guidelines for Americans?
- correct answer ✔✔Illustrate proportion of 5 food groups
-proportionality
-variety
What are the general messages of the Dietary Guidelines for Americans? - correct answer
✔✔Set of diet and lifestyle recommendations designed to promote health and reduce the risk
of overweight, obesity, and chronic diseases
-For healthy Americans ages 2+
Why is water intake so important for athletic performance? - correct answer ✔✔cools body
transport oxygen, nutrients to muscles
removes waste products from muscles
How much water is typically lost in sweat during an hour of exercise? - correct answer
✔✔1.5L/hour
How much loss of water will start to impair performance? - correct answer ✔✔2% of body
weight can impair physical and mental performance
How much water should an athlete consume before, during, and after exercise? - correct
answer ✔✔before=2 hrs before exercise 16oz of water or sports drink
immediately before=7-12oz of water or sports drink
During=6-12oz every 15-20 minutes
After=within 4-6 hours replace body weight loss (16-24oz of fluids/ pound of weight loss)
Can an athlete just rely on thirst to determine when to drink? - correct answer ✔✔No