DHN 101 EXAM 1 ACTUAL EXAM QUESTIONS AND
ANSWERS PRACTICE QUESTIONS WITH SOLUTIONS
NEWEST | ALREADY GRADED A+|2026-2027(NEW!)
Keira is overweight and has a condition called pre-diabetes. To help her lose
weight, she would like reliable advice from a healthcare professional who has
specific knowledge of foods, nutrition, and diet therapies. Which of the following
persons should she contact for help? - ANSWER-A registered dietitian who
counsels patients in a hospital clinic
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
Which of the following statements is true? - ANSWER-Older adults generally
have fewer taste buds than children
Which of the following statements is true? - ANSWER-Most enzymes have
names that end with -ase.
Which of the following substances participates in a chemical reaction that results
in the digestion of fat? - ANSWER-Gastric lipase
The primary function of the cardiovascular system is - ANSWER-circulation of
blood throughout the body
,Last night Sara ate French fries, fried fish, and creamy cole slaw. For dessert, she
had a chocolate milk shake. About an hour after eating this food, she suddenly
complained of severe abdominal pain. Based on this information, Sara probably
has - ANSWER-gallstones
A molecule forms when two or more atoms are attracted to each other and held
together by - ANSWER-bonds
Paisley usually has four bowel movements each week. Based on this info, Paisley
should - ANSWER-not worry, because she is not constipated
The ____ is the second segment of the small intestine - ANSWER-jejunum
A food has a pH that is higher than the pH of pure water but lower than the pH of
oven cleaner. Based on this info, the food is - ANSWER-an egg white
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
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
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
ANSWERS PRACTICE QUESTIONS WITH SOLUTIONS
NEWEST | ALREADY GRADED A+|2026-2027(NEW!)
Keira is overweight and has a condition called pre-diabetes. To help her lose
weight, she would like reliable advice from a healthcare professional who has
specific knowledge of foods, nutrition, and diet therapies. Which of the following
persons should she contact for help? - ANSWER-A registered dietitian who
counsels patients in a hospital clinic
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
Which of the following statements is true? - ANSWER-Older adults generally
have fewer taste buds than children
Which of the following statements is true? - ANSWER-Most enzymes have
names that end with -ase.
Which of the following substances participates in a chemical reaction that results
in the digestion of fat? - ANSWER-Gastric lipase
The primary function of the cardiovascular system is - ANSWER-circulation of
blood throughout the body
,Last night Sara ate French fries, fried fish, and creamy cole slaw. For dessert, she
had a chocolate milk shake. About an hour after eating this food, she suddenly
complained of severe abdominal pain. Based on this information, Sara probably
has - ANSWER-gallstones
A molecule forms when two or more atoms are attracted to each other and held
together by - ANSWER-bonds
Paisley usually has four bowel movements each week. Based on this info, Paisley
should - ANSWER-not worry, because she is not constipated
The ____ is the second segment of the small intestine - ANSWER-jejunum
A food has a pH that is higher than the pH of pure water but lower than the pH of
oven cleaner. Based on this info, the food is - ANSWER-an egg white
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
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
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
