NUTRITION CHAPTER 1 - TEST
QUESTIONS WITH VERIFIED
ANSWERS
Your friend Carrie took a daily supplement of vitamin C and tells you that she feels a
lot better. Her statement to you is best described as a(n) ____.
a. anecdote
b. theory.
c. interpretation
d. conclusion.
e. hypothesis - Answer-a. anecdote
What is the study of how a person's genes interact with nutrients?
a. genetic counseling
b. nutritional genomics
c. genetic metabolomics
d. nutritional genetics
e. biogenetic nutrition - Answer-b. nutritional genomics
How does a double-blind experiment work?
a. Both subject groups take turns getting each treatment.
b. Neither subjects nor researchers know which subjects are in the control or
experimental
group
c. Neither group of subjects knows whether they are in the control or experimental
group, but
the researchers do know.
d. Both subject groups know whether they are in the control or experimental group,
but the
researchers do not know.
e. Neither the subjects nor the persons having contact with the subjects know the
true
purpose of the experiment. - Answer-b. Neither subjects nor researchers know which
subjects are in the control or experimental
group
n the scientific method, a tentative solution to a problem is called a ____.
a. theory
b. prediction
c. hypothesis
d. correlation
e. deduction - Answer-c. hypothesis
, What is one major weakness of a laboratory-based study?
a. The costs are typically prohibitive.
b. Findings are difficult to replicate.
c. Results from animal testing cannot be applied to human beings.
d. Experimental variables cannot be easily controlled.
e. Causality cannot be inferred. - Answer-c. Results from animal testing cannot be
applied to human beings.
What is one benefit of using controls in an experiment?
a. The size of the groups can be very large.
b. The subjects do not know anything about the experiment.
c. The subjects who are treated are balanced against the placebos.
d. The subjects are similar in all respects except for the treatment being tested.
e. The costs associated with the study are usually much lower. - Answer-d. The
subjects are similar in all respects except for the treatment being tested.
What is one benefit of using a large sample size in an experiment?
a. Chance variation is less likely to affect the results.
b. The possibility of a placebo effect is eliminated.
c. The experiment will be double-blind.
d. The control group will be similar to the experimental group. e. Experimenter bias is
less likely to have an effect. - Answer-a. Chance variation is less likely to affect the
results.
You have been asked to help a top nutrition researcher conduct human experiments
on vitamin C. As the subjects walk into the laboratory, you distribute all the vitamin C
pill bottles to the girls and all the placebo pill bottles to the boys. The researcher
instantly informs you that there are two errors in your research practice. What steps
should you have taken to conduct your experiment correctly?
a. Giving all the boys the vitamin C and the girls the placebo, and telling them what
they were getting
b. Distributing the bottles randomly, randomizing the subjects, and telling them what
they were getting
c. Telling the subjects which group they were in, but preventing yourself from
knowing the contents of the pill bottles
d. Preventing yourself from knowing what is in the pill bottles, and distributing the
bottles randomly to the subjects
e. Allowing the subjects to decide whether they take Vitamin C or the placebo, -
Answer-d. Preventing yourself from knowing what is in the pill bottles, and
distributing the bottles randomly to the subjects
An increase in exercise accompanied by a decrease in body weight is an example of
a ____.
a. variable effect
b. positive correlation
QUESTIONS WITH VERIFIED
ANSWERS
Your friend Carrie took a daily supplement of vitamin C and tells you that she feels a
lot better. Her statement to you is best described as a(n) ____.
a. anecdote
b. theory.
c. interpretation
d. conclusion.
e. hypothesis - Answer-a. anecdote
What is the study of how a person's genes interact with nutrients?
a. genetic counseling
b. nutritional genomics
c. genetic metabolomics
d. nutritional genetics
e. biogenetic nutrition - Answer-b. nutritional genomics
How does a double-blind experiment work?
a. Both subject groups take turns getting each treatment.
b. Neither subjects nor researchers know which subjects are in the control or
experimental
group
c. Neither group of subjects knows whether they are in the control or experimental
group, but
the researchers do know.
d. Both subject groups know whether they are in the control or experimental group,
but the
researchers do not know.
e. Neither the subjects nor the persons having contact with the subjects know the
true
purpose of the experiment. - Answer-b. Neither subjects nor researchers know which
subjects are in the control or experimental
group
n the scientific method, a tentative solution to a problem is called a ____.
a. theory
b. prediction
c. hypothesis
d. correlation
e. deduction - Answer-c. hypothesis
, What is one major weakness of a laboratory-based study?
a. The costs are typically prohibitive.
b. Findings are difficult to replicate.
c. Results from animal testing cannot be applied to human beings.
d. Experimental variables cannot be easily controlled.
e. Causality cannot be inferred. - Answer-c. Results from animal testing cannot be
applied to human beings.
What is one benefit of using controls in an experiment?
a. The size of the groups can be very large.
b. The subjects do not know anything about the experiment.
c. The subjects who are treated are balanced against the placebos.
d. The subjects are similar in all respects except for the treatment being tested.
e. The costs associated with the study are usually much lower. - Answer-d. The
subjects are similar in all respects except for the treatment being tested.
What is one benefit of using a large sample size in an experiment?
a. Chance variation is less likely to affect the results.
b. The possibility of a placebo effect is eliminated.
c. The experiment will be double-blind.
d. The control group will be similar to the experimental group. e. Experimenter bias is
less likely to have an effect. - Answer-a. Chance variation is less likely to affect the
results.
You have been asked to help a top nutrition researcher conduct human experiments
on vitamin C. As the subjects walk into the laboratory, you distribute all the vitamin C
pill bottles to the girls and all the placebo pill bottles to the boys. The researcher
instantly informs you that there are two errors in your research practice. What steps
should you have taken to conduct your experiment correctly?
a. Giving all the boys the vitamin C and the girls the placebo, and telling them what
they were getting
b. Distributing the bottles randomly, randomizing the subjects, and telling them what
they were getting
c. Telling the subjects which group they were in, but preventing yourself from
knowing the contents of the pill bottles
d. Preventing yourself from knowing what is in the pill bottles, and distributing the
bottles randomly to the subjects
e. Allowing the subjects to decide whether they take Vitamin C or the placebo, -
Answer-d. Preventing yourself from knowing what is in the pill bottles, and
distributing the bottles randomly to the subjects
An increase in exercise accompanied by a decrease in body weight is an example of
a ____.
a. variable effect
b. positive correlation
