NUTR 331 Midterm Review Questions and Answers Solved Correctly Latest Update 2025-2026
nutrition - Answers the study of function and interaction of nutrients, and the processes by
which the body uses them
what makes a nutrient essential - Answers required for growth, required for regulation of body
processes, required for repair of body tissue
greatest component of a chemical analysis of food - Answers water
an organic compound can be defined as: - Answers a substance or molecule containing carbon
a nutrient deficiency can be detected in its earliest stages by - Answers lab tests of urine and
blood samples
what is the best method for obtaining diet info for a large nutrition survey? - Answers food
frequency
the 6 major classes of nutrients - Answers carbohydrates, lipids (fats), protein, vitamins,
minerals, and water
T/F a food composition table can be used to determine the amount of iron actually absorbed by
the body from a serving of liver consumed - Answers False
what nutrient source yields more energy than 4 kcalries per gram - Answers fats (plant fats
specifically)
what is an example of a micronutrient - Answers iron
what is the ADMR for fat - Answers 20-35%
what is the ADMR for carbs? - Answers 45-65%
what is the ADMR for protein? - Answers 10-35%
what is an example of an anthropometric measurement? - Answers body weight or height
what type of deficiency is caused by inadequate absorption of a nutrient? - Answers secondary
a case-control study is carried out to determine the relationship between diet and colon cancer.
the results indicate that subjects with high cholesterol intake have 30% higher risk of cancer.
Does this result mean that dietary cholesterol causes colon cancer? - Answers no not
necessarily. it may be a case of guilt by association (the real cause may not be cholesterol but
some other food component associated with cholesterol); also may be some error in diet
assessment
an epidemiological study reveals that populations whose members consume diets low in
cereals have high incidence of prostate cancer. does this result mean that cereals prevent
, prostate cancer? - Answers no not necessarily. may be guilt by association (the real cause of is
inversely associated with cereals); also may be sources in assessment or prostate cancer
reports
discuss advantages and disadvantages of anecdotal studies as means of investigating the
dietary causes of disease - Answers anecdotal studies may allow recognition of relationships
between diets and disease but only if they involve a large number of reports or similar
symptoms; in many cases these studies are too individual and can lead to other areas of
research but not form concrete details
why do intervention studies use control groups? why are they given placebos? - Answers control
groups ensure that treatment is actually causing observed changes; placebo is given to counter
the placebo effect (the tendency of patients reporting to feel better after any sort of treatment)
what is the meaning of a double-blind experiment? - Answers neither subjects nor researchers
know which subjects are in the control or experimental group
what is the benefit of using a large sample size in an experiment? - Answers the effect of
chance variation is minimized
before publication in a reputable journal, what must the findings of a study undergo? - Answers
a peer review
the RDAs for protein, vitamins, and minerals are based on: - Answers the needs of most healthy
people
the RDA for energy is based on: - Answers the average requirement
the EARs can be appropriately used in: - Answers the planning of a school lunch program
milk and milk products contribute significant amounts of: - Answers calcium
Canada's food guide recommends that adults 19-50 years of age have how many servings of
milk and alternatives? - Answers 2 servings
a tablespoon of oil is how much larger in volume than a teaspoon? - Answers 3x
an ounce is _______ grams - Answers 28
a serving of milk in Canada's food guide is - Answers 1 cup or 250ml
what are 3 suggestions for adults in Canada's food guide? - Answers drink skim, 1% or 2% milk
every day; make as least half of your grain products whole grain; eat at least 2 servings of fish
per week
compared to the RDA, the Tolerable Upper Intake Level (UL) of nutrients is: - Answers higher
nutrition - Answers the study of function and interaction of nutrients, and the processes by
which the body uses them
what makes a nutrient essential - Answers required for growth, required for regulation of body
processes, required for repair of body tissue
greatest component of a chemical analysis of food - Answers water
an organic compound can be defined as: - Answers a substance or molecule containing carbon
a nutrient deficiency can be detected in its earliest stages by - Answers lab tests of urine and
blood samples
what is the best method for obtaining diet info for a large nutrition survey? - Answers food
frequency
the 6 major classes of nutrients - Answers carbohydrates, lipids (fats), protein, vitamins,
minerals, and water
T/F a food composition table can be used to determine the amount of iron actually absorbed by
the body from a serving of liver consumed - Answers False
what nutrient source yields more energy than 4 kcalries per gram - Answers fats (plant fats
specifically)
what is an example of a micronutrient - Answers iron
what is the ADMR for fat - Answers 20-35%
what is the ADMR for carbs? - Answers 45-65%
what is the ADMR for protein? - Answers 10-35%
what is an example of an anthropometric measurement? - Answers body weight or height
what type of deficiency is caused by inadequate absorption of a nutrient? - Answers secondary
a case-control study is carried out to determine the relationship between diet and colon cancer.
the results indicate that subjects with high cholesterol intake have 30% higher risk of cancer.
Does this result mean that dietary cholesterol causes colon cancer? - Answers no not
necessarily. it may be a case of guilt by association (the real cause may not be cholesterol but
some other food component associated with cholesterol); also may be some error in diet
assessment
an epidemiological study reveals that populations whose members consume diets low in
cereals have high incidence of prostate cancer. does this result mean that cereals prevent
, prostate cancer? - Answers no not necessarily. may be guilt by association (the real cause of is
inversely associated with cereals); also may be sources in assessment or prostate cancer
reports
discuss advantages and disadvantages of anecdotal studies as means of investigating the
dietary causes of disease - Answers anecdotal studies may allow recognition of relationships
between diets and disease but only if they involve a large number of reports or similar
symptoms; in many cases these studies are too individual and can lead to other areas of
research but not form concrete details
why do intervention studies use control groups? why are they given placebos? - Answers control
groups ensure that treatment is actually causing observed changes; placebo is given to counter
the placebo effect (the tendency of patients reporting to feel better after any sort of treatment)
what is the meaning of a double-blind experiment? - Answers neither subjects nor researchers
know which subjects are in the control or experimental group
what is the benefit of using a large sample size in an experiment? - Answers the effect of
chance variation is minimized
before publication in a reputable journal, what must the findings of a study undergo? - Answers
a peer review
the RDAs for protein, vitamins, and minerals are based on: - Answers the needs of most healthy
people
the RDA for energy is based on: - Answers the average requirement
the EARs can be appropriately used in: - Answers the planning of a school lunch program
milk and milk products contribute significant amounts of: - Answers calcium
Canada's food guide recommends that adults 19-50 years of age have how many servings of
milk and alternatives? - Answers 2 servings
a tablespoon of oil is how much larger in volume than a teaspoon? - Answers 3x
an ounce is _______ grams - Answers 28
a serving of milk in Canada's food guide is - Answers 1 cup or 250ml
what are 3 suggestions for adults in Canada's food guide? - Answers drink skim, 1% or 2% milk
every day; make as least half of your grain products whole grain; eat at least 2 servings of fish
per week
compared to the RDA, the Tolerable Upper Intake Level (UL) of nutrients is: - Answers higher
