DHN 101 EXAM 1 | REAL EXAM QUESTIONS & ANSWERS | 2026 LATEST UPDATED|
GET A+
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
GET A+
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
