NUTR 331 EXAM 150 MIDTERM QUESTIONS &
CORRECT ANSWERS LATEST 2026
nutrition - ANSWER-the study of function and interaction of nutrients, and the
processes by which the body uses them
what makes a nutrient essential - ANSWER-required for growth, required for
regulation of body processes, required for repair of body tissue
greatest component of a chemical analysis of food - ANSWER-water
an organic compound can be defined as: - ANSWER-a substance or molecule
containing carbon
a nutrient deficiency can be detected in its earliest stages by - ANSWER-lab tests
of urine and blood samples
what is the best method for obtaining diet info for a large nutrition survey? -
ANSWER-food frequency
the 6 major classes of nutrients - ANSWER-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 - ANSWER-False
,what nutrient source yields more energy than 4 kcalries per gram - ANSWER-fats
(plant fats specifically)
what is an example of a micronutrient - ANSWER-iron
what is the ADMR for fat - ANSWER-20-35%
what is the ADMR for carbs? - ANSWER-45-65%
what is the ADMR for protein? - ANSWER-10-35%
what is an example of an anthropometric measurement? - ANSWER-body weight
or height
what type of deficiency is caused by inadequate absorption of a nutrient? -
ANSWER-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? - ANSWER-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? - ANSWER-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 - ANSWER-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? -
ANSWER-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? - ANSWER-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? - ANSWER-the
effect of chance variation is minimized
before publication in a reputable journal, what must the findings of a study
undergo? - ANSWER-a peer review
the RDAs for protein, vitamins, and minerals are based on: - ANSWER-the needs
of most healthy people
the RDA for energy is based on: - ANSWER-the average requirement
the EARs can be appropriately used in: - ANSWER-the planning of a school lunch
program
CORRECT ANSWERS LATEST 2026
nutrition - ANSWER-the study of function and interaction of nutrients, and the
processes by which the body uses them
what makes a nutrient essential - ANSWER-required for growth, required for
regulation of body processes, required for repair of body tissue
greatest component of a chemical analysis of food - ANSWER-water
an organic compound can be defined as: - ANSWER-a substance or molecule
containing carbon
a nutrient deficiency can be detected in its earliest stages by - ANSWER-lab tests
of urine and blood samples
what is the best method for obtaining diet info for a large nutrition survey? -
ANSWER-food frequency
the 6 major classes of nutrients - ANSWER-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 - ANSWER-False
,what nutrient source yields more energy than 4 kcalries per gram - ANSWER-fats
(plant fats specifically)
what is an example of a micronutrient - ANSWER-iron
what is the ADMR for fat - ANSWER-20-35%
what is the ADMR for carbs? - ANSWER-45-65%
what is the ADMR for protein? - ANSWER-10-35%
what is an example of an anthropometric measurement? - ANSWER-body weight
or height
what type of deficiency is caused by inadequate absorption of a nutrient? -
ANSWER-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? - ANSWER-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? - ANSWER-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 - ANSWER-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? -
ANSWER-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? - ANSWER-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? - ANSWER-the
effect of chance variation is minimized
before publication in a reputable journal, what must the findings of a study
undergo? - ANSWER-a peer review
the RDAs for protein, vitamins, and minerals are based on: - ANSWER-the needs
of most healthy people
the RDA for energy is based on: - ANSWER-the average requirement
the EARs can be appropriately used in: - ANSWER-the planning of a school lunch
program
