NTR 301 Final Exam Practice Questions
and Answers
Which of the following statements about essential nutrients is/are correct? - Ans:--cholesterol is not
an essential nutrient
-the only way to obtain essential nutrients is by eating food that provides. them
-a protein is an example of an essent...
Confounding factor - Ans:✔✔-Associated with the exposure and the outcome and can make the two
appear more related to each other than they really are.
Experimental group - Ans:✔✔-The participants in a study who receive the real treatment or intervention
under investigation.
Control Group - Ans:✔✔-A group of individuals with characteristics that match the group being treated
in an intervention study but who receive a sham treatment or no treatment at all.
Placebo - Ans:✔✔-A sham or neutral treatment given to a control group.
Epidemiological study - Ans:✔✔-A study of a population that searches for possible correlations between
nutrition factors and health patterns over time.
A clinical trial is being done to find out if there is a link between breast cancer and diets that are high in
fat. However, people who consume diets high in fat may also have other characteristics of their lifestyle
that increase their risk for breast cancer. How can researchers overcome the problem of these
confounding factors in a clinical trial? - Ans:✔✔--researchers can randomly assign participants to a
treatment or control group
Allen is a researcher studying how well calcium and phosphorus are absorbed in the GI tract of babies
that are born too early. He is researching various diets to see which diet provides the most available type
of nutrients for absorption. Why would Allen choose to do this type of study using in-vitro methods
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