Nursing 3100 exam 1 Questions & Answers 100% Correct(GRADED A)

What are RDA? and how are they should they be used? - ANSWER-Recommended Daily Allowance for specific nutrient for 98% of population What are the limitations for RDAs? - ANSWER- Limitation - set by committee and knowledge is limited for some populations. Safety margins vary (disease, drug/alcohol use), vary by country What are the dietary reference value (DRV)? How is it used? - ANSWER- Recommendation for optimal nutrient intake levels outlined by age and gender - Used o all food labels to help consumer be aware of nutrients in it - EAR: estimated average requirement -AI- adequate intake - RDA: recommended dietary allowance - UL: tolerable upper intake Fraternal twins ( a boy and a girl age 17) are enrolled in a metabolic study. Which twin do you expect to burn more Calories/minute on the elliptical machine? why? - ANSWER- Boy: men have more muscle mass/ females have more body fat. more muscle -- the more calories you burn What are the EAR, AL, and UTL? - ANSWER- EAR: estimated average requirements ( average daily nutrient intake estimated to meet requirements of 50% or more of the health individuals in a group) - AI: adequate intakes (recommended nutrient intake by a group of people when RDA isn't determined) - UTL: tolerable upper intake level (highest average intake of nutrient that presents little/no risk to most individuals) What do the new USDA "My Plate" guidelines suggest? How many minutes recommend by the guidelines ? - ANSWER- at least 30mins of moderate exercise o most days to reduce risk of disease - to help manage body weight/ prevent unhealthy weight gain, engage in about 50 mins of moderate -- vigorous activity on most days of the week - to sustain weight loss in adulthood, participate in 60-90 minutes of daily physical activity Define nutrient density. - ANSWERsignificant amount of nutrients for the least amount of calories