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