DHN 101 Exam 1, DHN EXAM 1, DHN exam 1 Actual
Exam(Latest 2026 Update)|Questions And Correct Verified
Answers | Already Graded A+|Brand New!!!
A scientist adds 5 mcg of the mineral cadmium to the daily diet of 100
4-week-old lab mice. After 12 weeks, the researcher weighs and takes
blood samples from each mouse. According to her findings, the mice
lost weight during the 12-week period and they have abnormal levels
of certain hormones in their blood. Based on this info, what would
you tell the researcher about her findings? - Answer -The findings are
not meaningful or valid because of the way she designed her study.
A scientist discovers a chemical compound in certain rocks that she
calls "stonia". She cannot market extracts that contain stonia as a
dietary supplement, because it - Answer -does not contain dietary
ingredients
Zach takes 500 mg of vitamin C daily. He advises friends to take
vitamin C supplements because, he claims, the vitamin protects him
from cold viruses. His claim about the usefulness of the vitamin is an
- Answer -anecdote
The professional football star Andro "The Man" McGraw claims the
dietary supplement AminoProFix helped him build muscle mass
quickly and safely. His endorsement of the product is an example of -
Answer -a testimonial
Which of the following products is a popular dietary supplement
among American adults? - Answer -Echinacea
pg. 1
,Scientists enroll 500 healthy adults in a study and collect dietary and
other lifestyle info about the group. After 6 years, the scientists
determine that study participants who ate at least 5 servings of fruits
and vegetables daily were less likely to develop high blood pressure
than those who ate fewer than 5 servings of fruits daily. This study is
an example of a ____ study - Answer -prospective
An advertisement for a weight loss product includes ____, indicating
that the ad is an unreliable source of nutrition info, and the product is
likely to be worthless.
A) the statement that individual results may vary
B) promises of a quick and easy path to weight loss
C) vague, meaningless terms - Answer -all of these are correct
Which of the following observations is an example of an inverse
correlation? - Answer -Women who smoke 5+ cigarettes each day
during pregnancy are more likely to give birth to underweight babies
than women who smoke fewer than 5 cigarettes a day during
pregnancy
A magazine article about weight loss diets includes false information
about the process of digestion that uses scientific-sounding terms to
make it seem factual. The faulty info is an example of - Answer -
pseudoscience
A group of registered dietitians is planning to conduct a scientific
study to investigate the effects of eating honey on school-aged
children's behavior. At first, the researchers will - Answer -make
observations
pg. 2
,Which of the following statements is true? - Answer -The typical
Asian diet contains high amounts of vegetables and inadequate
amounts of milk and milk products
Which of the following statements is true?
A) Dietitians usually rely on Daily Values to evaluate the nutritional
adequacy of diets
B) To avoid nutrient deficiency disorders, Americans should consume
50% of the EAR for each nutrient
C) A person who meets the EER for his or her racial and/or ethnic
ancestry will gain at least 2 pounds/week - Answer -None of these are
correct
Kayla was a participant in a clinical study to determine how much
vitamin C cures scurvy, the vitamin's deficiency disease. During the
study, Kayla consumed only a formula diet that was nutritionally
complete, except it did not contain vitamin C. Within a few weeks,
Kayla developed scurvy. At that point, researchers gave 2mg vitamin
C to her each day for a week, but her signs and symptoms of scurvy
remained. In the weeks that followed, the scientists continued to
increase her intake of the vitamin by 2 mg/week. After a week of
taking 10mg of vitamin C/day, she reported feeling much better.
Based on this info, researches concluded that Kayla's - Answer -
requirement for vitamin C was 10 mg
Today, the only food Meghan ate was a casserole that contained 24
ounces of lemon-flavored yogurt, 16 oz of cooked turkey, and 10 oz
of cooked noodles. According to MyPlate, she ate nothing from the
group that includes - Answer -fruit
pg. 3
, A group of 50 adult male humans were in a clinical study to determine
how much niacin is toxic. During the first two weeks of the study,
members of the group consumed only a formula diet that was
nutritionally complete, except it contained 24 mg niacin, which is 1.5
times the RDA for niacin (males). At that point in the study, all
members reported feeling fine, and they could function normally.
During the next week, they were given a formula that contained 48
mg niacin. Within a few days of consuming this formula, 90% of the
participants reported feeling ill, and they complained of having upset
stomachs and reddened facial skin. At that point, researchers gave the
subjects a formula that contain 16 mg niacin. After a week of
consuming the new formula, all participants reported feeling well
again. Based on this information, the researchers concluded that the -
Answer -UL for niacin was between 24 and 48 mg/day
Kristin uses % DVs to help plan nutritious menus with various
packaged foods. She should try to obtain at least 100% of the daily
value for which of the following nutrients? - Answer -Vitamin C
Monique is a 19-year-old college student who would like to follow a
Mediterranean diet pattern instead of her typical "western" diet. Based
on this info, she should - Answer -increase her intake of fruit and
legumes
According to Dietary Guidelines for Ameircans, 2010, Americans
should limit their cholesterol intake to _____ mg/day - Answer -300
Jillian drinks a couple of beers and smokes over a pack of cigarettes
daily. Even though she's about 40lbs overweight, she likes to wear
tight-fitting clothes. Based on this info, Jillian has a high risk of
developing ____? - Answer -gastroesophageal reflux disease
pg. 4
Exam(Latest 2026 Update)|Questions And Correct Verified
Answers | Already Graded A+|Brand New!!!
A scientist adds 5 mcg of the mineral cadmium to the daily diet of 100
4-week-old lab mice. After 12 weeks, the researcher weighs and takes
blood samples from each mouse. According to her findings, the mice
lost weight during the 12-week period and they have abnormal levels
of certain hormones in their blood. Based on this info, what would
you tell the researcher about her findings? - Answer -The findings are
not meaningful or valid because of the way she designed her study.
A scientist discovers a chemical compound in certain rocks that she
calls "stonia". She cannot market extracts that contain stonia as a
dietary supplement, because it - Answer -does not contain dietary
ingredients
Zach takes 500 mg of vitamin C daily. He advises friends to take
vitamin C supplements because, he claims, the vitamin protects him
from cold viruses. His claim about the usefulness of the vitamin is an
- Answer -anecdote
The professional football star Andro "The Man" McGraw claims the
dietary supplement AminoProFix helped him build muscle mass
quickly and safely. His endorsement of the product is an example of -
Answer -a testimonial
Which of the following products is a popular dietary supplement
among American adults? - Answer -Echinacea
pg. 1
,Scientists enroll 500 healthy adults in a study and collect dietary and
other lifestyle info about the group. After 6 years, the scientists
determine that study participants who ate at least 5 servings of fruits
and vegetables daily were less likely to develop high blood pressure
than those who ate fewer than 5 servings of fruits daily. This study is
an example of a ____ study - Answer -prospective
An advertisement for a weight loss product includes ____, indicating
that the ad is an unreliable source of nutrition info, and the product is
likely to be worthless.
A) the statement that individual results may vary
B) promises of a quick and easy path to weight loss
C) vague, meaningless terms - Answer -all of these are correct
Which of the following observations is an example of an inverse
correlation? - Answer -Women who smoke 5+ cigarettes each day
during pregnancy are more likely to give birth to underweight babies
than women who smoke fewer than 5 cigarettes a day during
pregnancy
A magazine article about weight loss diets includes false information
about the process of digestion that uses scientific-sounding terms to
make it seem factual. The faulty info is an example of - Answer -
pseudoscience
A group of registered dietitians is planning to conduct a scientific
study to investigate the effects of eating honey on school-aged
children's behavior. At first, the researchers will - Answer -make
observations
pg. 2
,Which of the following statements is true? - Answer -The typical
Asian diet contains high amounts of vegetables and inadequate
amounts of milk and milk products
Which of the following statements is true?
A) Dietitians usually rely on Daily Values to evaluate the nutritional
adequacy of diets
B) To avoid nutrient deficiency disorders, Americans should consume
50% of the EAR for each nutrient
C) A person who meets the EER for his or her racial and/or ethnic
ancestry will gain at least 2 pounds/week - Answer -None of these are
correct
Kayla was a participant in a clinical study to determine how much
vitamin C cures scurvy, the vitamin's deficiency disease. During the
study, Kayla consumed only a formula diet that was nutritionally
complete, except it did not contain vitamin C. Within a few weeks,
Kayla developed scurvy. At that point, researchers gave 2mg vitamin
C to her each day for a week, but her signs and symptoms of scurvy
remained. In the weeks that followed, the scientists continued to
increase her intake of the vitamin by 2 mg/week. After a week of
taking 10mg of vitamin C/day, she reported feeling much better.
Based on this info, researches concluded that Kayla's - Answer -
requirement for vitamin C was 10 mg
Today, the only food Meghan ate was a casserole that contained 24
ounces of lemon-flavored yogurt, 16 oz of cooked turkey, and 10 oz
of cooked noodles. According to MyPlate, she ate nothing from the
group that includes - Answer -fruit
pg. 3
, A group of 50 adult male humans were in a clinical study to determine
how much niacin is toxic. During the first two weeks of the study,
members of the group consumed only a formula diet that was
nutritionally complete, except it contained 24 mg niacin, which is 1.5
times the RDA for niacin (males). At that point in the study, all
members reported feeling fine, and they could function normally.
During the next week, they were given a formula that contained 48
mg niacin. Within a few days of consuming this formula, 90% of the
participants reported feeling ill, and they complained of having upset
stomachs and reddened facial skin. At that point, researchers gave the
subjects a formula that contain 16 mg niacin. After a week of
consuming the new formula, all participants reported feeling well
again. Based on this information, the researchers concluded that the -
Answer -UL for niacin was between 24 and 48 mg/day
Kristin uses % DVs to help plan nutritious menus with various
packaged foods. She should try to obtain at least 100% of the daily
value for which of the following nutrients? - Answer -Vitamin C
Monique is a 19-year-old college student who would like to follow a
Mediterranean diet pattern instead of her typical "western" diet. Based
on this info, she should - Answer -increase her intake of fruit and
legumes
According to Dietary Guidelines for Ameircans, 2010, Americans
should limit their cholesterol intake to _____ mg/day - Answer -300
Jillian drinks a couple of beers and smokes over a pack of cigarettes
daily. Even though she's about 40lbs overweight, she likes to wear
tight-fitting clothes. Based on this info, Jillian has a high risk of
developing ____? - Answer -gastroesophageal reflux disease
pg. 4
