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NTR 301 Final Exam Practice Questions and Answers
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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...

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  • October 23, 2024
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  • 2024/2025
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©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




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 essential nutrient


Which of the following statements about vitamins are correct? - Ans:✔✔--vitamins are present in our

bodies in small amounts


-vitamins have requirements that are relatively small


-vitamins are present in food in small amounts


Which of the following statements is CORRECT regarding the term "calorie" (or kilocalorie)? Pick all that

apply. - Ans:✔✔--It is a unit of heat equal to the amount of energy necessary to raise 1000 g of water by

1 degrees C


-It is a way to quantify the energy that fuels the body from food


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, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




After completing your food diary for this class, you see that you consume 300% of the DRI for Vitamin

B6, 100% of the DRI for Vitamin B12, and 150% of the DRI for Calcium, and 40% of the DRI for Vitamin C.

Which of the following statements is/are CORRECT? (Vitamins C, B6, and B12 are water soluble vitamins

and excess amounts are excreted in the urine). - Ans:✔✔--your intake of vitamin C is marginal


-you should increase your intake of vitamin C


Which of the following statements are CORRECT regarding the DRI's for vitamins, minerals, and protein?

- Ans:✔✔--they are set at fixed, but generous amounts


-they are expressed in gram, milligram, and microgram amounts


-they are recommended levels of nutrients that should be met on average, over a period of time, not

necessarily everyday


Anna was talking to her great-grandmother (Ethel) about nutrient needs now compared to when Ethel

was younger. Which of the following are ACCURATE conversations they may have about the differences

in the DRIs that they both know/knew? - Ans:✔✔--the DRIs Anna is familiar with take into consideration

prevention of chronic diseases


-the DRIs Ethel is familiar with take into consideration the prevention of deficiency diseases


Why is it so much more difficult to study heart disease (a chronic disease) than it is to study scurvy (a

deficiency disease)? - Ans:✔✔--Deficiency diseases only have one, direct cause




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, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

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-chronic diseases have many potential causes, including diet and other lifestyle factors


-chronic diseases take years to develop, while deficiency diseases sometimes only take weeks


Which of the following statements is/are CORRECT regarding the definition of marginal in regards to

nutrient intake? - Ans:✔✔--Many factors can contribute to marginal intakes of nutrients in the US,

including disability, education, and socioeconomic status


Why were the DRIs initially developed in the 1940s? - Ans:✔✔--micronutrient deficiencies were a

problem and were preventing people from being fit to fight in war


Which of the following statements is correct about the DRIs for protein? - Ans:✔✔--there is a DRI fro

protein expressed as a percent because it contributes calories to our diet


-there is a DRI for protein expressed as grams per unit of body weight to make sure that other functions

are being met


Upon completing your food diary for this class, you discover that your intake of iron over the 5-7 day

period exceeds the DRI. However, you're surprised by that finding because you're actually anemic. Which

of the following statements could explain what is going on in this scenario? - Ans:✔✔--dietary intake

does not always predict what is actually happening inside the body


-you could have consumed enough iron during the week you recorded your food intake, but the food

diary is not reflective of iron intake over a longer period of time



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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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