FDSC 406 EXAM 1 QUESTIONS AND
ANSWERS
RDA - Correct Answers -recommended daily allowance
-levels of essential nutrients
-97-98% of the healthy population
-decrease risk for chronic disease
AI - Correct Answers -Adequate Intake
-tentative RDA
-used when scientific evidence is unsure
EAR - Correct Answers -Estimated Average Requirement
-estimated for average for population
-50% of population
UL - Correct Answers -Tolerable Upper Intake Level
-upper limits of nutrients
-should not be exceeded
Daily values - Correct Answers --standards developed by FDA specifically for use on
food labels
-based on 200 calorie diet or on 1968 version of RDAs
Direct factors that influence nutritional status - Correct Answers -Intake, activity
Indirect factors that influence nutritional status - Correct Answers -Biology, sex, age,
race, pregnant, environment, drug use, stress, status
Indirect factors that influence nutritional status can affect ____________ of
measurement. - Correct Answers -Accuracy
Forms of dietary assessments - Correct Answers -Surveys, surveillance, direct
observation, screening, interventions
Problems with dietary assessments - Correct Answers -Surveys are biased, expensive,
observed may act differently
Glycemic response - Correct Answers -Intial increase in blood glucse levels, then
decrease
, Glycemic index - Correct Answers --normalizing foods to one another to compare
indexes
-ratio between glycemic response of food vs glycemic responce of 50 g glucose
Glycemic load - Correct Answers -= (g index* digesitble carbs per serving)/100
Choosing a method of dietary assessment for an individual - Correct Answers -
Screening, trial, recall, food diary, food frequency, questionairre
Choosing a method of dietary assessment for a population - Correct Answers -Food
balance sheets, food disappearance data, food frequency questionairre
food diary - Correct Answers --daily diet
-done by patient
-supplements/ activity level
-literate patients
-time consuming
-require training
-accurate
24 hour recall - Correct Answers --interview
-recall checked omissions/ mistakes
-analyzed in nutrient analysis program
24 hour recall strengths - Correct Answers -Quick, inexpensive, detailed info, short term
memory, more objective than FFQ, estimate nutrient intake
24 hour recall weaknessess - Correct Answers -Embarrassment, binge eating/ alcohol,
forget drinks/butter/ sauces, may over report, single day not representitive
Food frequency questionnaire - Correct Answers --average use during period of time
-semi quantitative w/ some portion sizes given
FFQ strengths - Correct Answers --easy
-scantron
-not demanding
-inexpensive/ good for large populations
-close estimates
- big picture
FFQ weaknesses - Correct Answers --intake mistakes
-subjects ability to estimate
-literacy required
-intake comprimised when foods are grouped
ANSWERS
RDA - Correct Answers -recommended daily allowance
-levels of essential nutrients
-97-98% of the healthy population
-decrease risk for chronic disease
AI - Correct Answers -Adequate Intake
-tentative RDA
-used when scientific evidence is unsure
EAR - Correct Answers -Estimated Average Requirement
-estimated for average for population
-50% of population
UL - Correct Answers -Tolerable Upper Intake Level
-upper limits of nutrients
-should not be exceeded
Daily values - Correct Answers --standards developed by FDA specifically for use on
food labels
-based on 200 calorie diet or on 1968 version of RDAs
Direct factors that influence nutritional status - Correct Answers -Intake, activity
Indirect factors that influence nutritional status - Correct Answers -Biology, sex, age,
race, pregnant, environment, drug use, stress, status
Indirect factors that influence nutritional status can affect ____________ of
measurement. - Correct Answers -Accuracy
Forms of dietary assessments - Correct Answers -Surveys, surveillance, direct
observation, screening, interventions
Problems with dietary assessments - Correct Answers -Surveys are biased, expensive,
observed may act differently
Glycemic response - Correct Answers -Intial increase in blood glucse levels, then
decrease
, Glycemic index - Correct Answers --normalizing foods to one another to compare
indexes
-ratio between glycemic response of food vs glycemic responce of 50 g glucose
Glycemic load - Correct Answers -= (g index* digesitble carbs per serving)/100
Choosing a method of dietary assessment for an individual - Correct Answers -
Screening, trial, recall, food diary, food frequency, questionairre
Choosing a method of dietary assessment for a population - Correct Answers -Food
balance sheets, food disappearance data, food frequency questionairre
food diary - Correct Answers --daily diet
-done by patient
-supplements/ activity level
-literate patients
-time consuming
-require training
-accurate
24 hour recall - Correct Answers --interview
-recall checked omissions/ mistakes
-analyzed in nutrient analysis program
24 hour recall strengths - Correct Answers -Quick, inexpensive, detailed info, short term
memory, more objective than FFQ, estimate nutrient intake
24 hour recall weaknessess - Correct Answers -Embarrassment, binge eating/ alcohol,
forget drinks/butter/ sauces, may over report, single day not representitive
Food frequency questionnaire - Correct Answers --average use during period of time
-semi quantitative w/ some portion sizes given
FFQ strengths - Correct Answers --easy
-scantron
-not demanding
-inexpensive/ good for large populations
-close estimates
- big picture
FFQ weaknesses - Correct Answers --intake mistakes
-subjects ability to estimate
-literacy required
-intake comprimised when foods are grouped
