1|Page
DHN 101 EXAM REVIEW
2026|COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS (A+)
Which of the following is NOT included in the Healthy People report? - correct-
answer -International goals and measurable objectives to guide evidence-based
policies
Which of the following lifestyle choices is the primary cause of preventable cancer
deaths in the United States? - correct-answer -Smoking cigarettes
Which of the following describe a conditionally essential nutrient? - correct-
answer -All of the choices are correct.
,2|Page
Which of the following statements is FALSE? - correct-answer -In order for a
dietary supplement to be on the market, all research studies on the supplement
must show a beneficial effect on health.
Which of the following statements is true? - correct-answer -Nutrient-deficiency
diseases develop when diets lack essential nutrients
Scientists who investigate lifestyle factors that influence the prevalence of obesity
among different population groups are conducting a(n) _____ study - correct-
answer -Epidemiological
Phil is a participant in a study designed to examine the effects of taking a dietary
supplement on muscle tissue development. Phil suspects he is in the experimental
group, because he is certain his muscles are bigger and stronger as a result of
taking the product supplied by the researchers. When the study is completed, Phil
learns that he did not receive the dietary supplement. Phil thinks the researchers
,3|Page
made a mistake--he is certain his muscle mass increased while he took the
supplement. According to this information, Phil's belief that his physical condition
improved while he participated in the study is an example of ____ - correct-
answer -The placebo effect
Dr. Joseph Goldberger's scientific finding about the cause of pellagra was not
welcomed by members of the medical community. - correct-answer -True
Which of the following are common signs or symptoms of pellagra? - correct-
answer -Mental confusion and scaly skin sores
Derek takes protein supplements before and after his workouts. He told his
workout partner that he became 200% stronger within a couple of months after
he added the supplements to his diet. His report about the effects of the
supplements is an example of a(n) ________. - correct-answer -Anecdote
, 4|Page
Zack takes 500 mg of vitamin C daily. He advises his 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 - correct-answer -Ancedote
Pellagra is an infectious disease - correct-answer -False
During an online interview, Dr. Ima Quack provides the following statement,
"Most Americans suffer from nutritional-deficiency diseases and will develop
cancer within the next 10 years because they are not taking my megavitamin
formula therapy." Dr. Quack's statement is an example of a(n) _______. - correct-
answer -Scare tactic
A popular podcast includes interviews with "experts" on topics related to sports
nutrition. If the podcast expert has the credentials _____ after his or her name,
DHN 101 EXAM REVIEW
2026|COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS (A+)
Which of the following is NOT included in the Healthy People report? - correct-
answer -International goals and measurable objectives to guide evidence-based
policies
Which of the following lifestyle choices is the primary cause of preventable cancer
deaths in the United States? - correct-answer -Smoking cigarettes
Which of the following describe a conditionally essential nutrient? - correct-
answer -All of the choices are correct.
,2|Page
Which of the following statements is FALSE? - correct-answer -In order for a
dietary supplement to be on the market, all research studies on the supplement
must show a beneficial effect on health.
Which of the following statements is true? - correct-answer -Nutrient-deficiency
diseases develop when diets lack essential nutrients
Scientists who investigate lifestyle factors that influence the prevalence of obesity
among different population groups are conducting a(n) _____ study - correct-
answer -Epidemiological
Phil is a participant in a study designed to examine the effects of taking a dietary
supplement on muscle tissue development. Phil suspects he is in the experimental
group, because he is certain his muscles are bigger and stronger as a result of
taking the product supplied by the researchers. When the study is completed, Phil
learns that he did not receive the dietary supplement. Phil thinks the researchers
,3|Page
made a mistake--he is certain his muscle mass increased while he took the
supplement. According to this information, Phil's belief that his physical condition
improved while he participated in the study is an example of ____ - correct-
answer -The placebo effect
Dr. Joseph Goldberger's scientific finding about the cause of pellagra was not
welcomed by members of the medical community. - correct-answer -True
Which of the following are common signs or symptoms of pellagra? - correct-
answer -Mental confusion and scaly skin sores
Derek takes protein supplements before and after his workouts. He told his
workout partner that he became 200% stronger within a couple of months after
he added the supplements to his diet. His report about the effects of the
supplements is an example of a(n) ________. - correct-answer -Anecdote
, 4|Page
Zack takes 500 mg of vitamin C daily. He advises his 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 - correct-answer -Ancedote
Pellagra is an infectious disease - correct-answer -False
During an online interview, Dr. Ima Quack provides the following statement,
"Most Americans suffer from nutritional-deficiency diseases and will develop
cancer within the next 10 years because they are not taking my megavitamin
formula therapy." Dr. Quack's statement is an example of a(n) _______. - correct-
answer -Scare tactic
A popular podcast includes interviews with "experts" on topics related to sports
nutrition. If the podcast expert has the credentials _____ after his or her name,
