DHN 101 Exam 1 Human Nutrition and
Wellness Official Practice Exam Actual
Exam 2026/2027 with Detailed Rationales |
Complete Exam-Style Questions | Pass
Guaranteed – A+ Graded
══════════════════════════════════════
SECTION 1: NUTRITION FUNDAMENTALS & DIETARY GUIDELINES Q1 – Q10
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Question 1 of 50
A 28-year-old female office worker wants to improve her diet by selecting foods that deliver
the highest concentration of vitamins and minerals relative to their calorie content. The
Dietary Guidelines for Americans specifically emphasize this concept when advising
Americans to make every bite count.
A. Nutrient density ✓ CORRECT
B. Energy density
C. Caloric balance
D. Dietary moderation
Correct Answer: A
Rationale: Nutrient density refers to the amount of beneficial nutrients a food provides per
calorie, a core principle emphasized throughout the Dietary Guidelines for Americans to help
individuals meet nutrient needs without excess energy intake. Energy density describes the
calories per gram of food, which does not account for micronutrient content and can mislead
consumers toward low-nutrient options. When counseling clients, always distinguish between
foods that are nutrient-dense versus merely low in calories.
Question 2 of 50
A college athlete following MyPlate guidance wants to increase his intake of dark green
vegetables to boost folate and vitamin K. At the dining hall salad bar, he examines several
options and needs to identify which item belongs to the MyPlate dark green vegetable
subgroup.
A. Corn
,B. Broccoli ✓ CORRECT
C. Potato
D. Cauliflower
Correct Answer: B
Rationale: Broccoli is classified within the dark green vegetable subgroup of MyPlate, which
includes vegetables like spinach, kale, and romaine lettuce that are rich in folate, vitamin K,
and antioxidants. Corn and potatoes are categorized as starchy vegetables, while cauliflower
falls into the "other" vegetable category, making them incorrect choices for this specific
subgroup. On exams, students frequently confuse the starchy and dark green subgroups, so
verify the micronutrient profile associated with each category.
Question 3 of 50
A 45-year-old male learns that the current Dietary Reference Intake for vitamin D was
established by observing that healthy individuals maintaining adequate serum
25-hydroxyvitamin D concentrations without supplementation consumed a specific average
daily amount. Because variability and requirements could not be determined with sufficient
precision, this value was set as an Adequate Intake rather than an RDA.
A. RDA
B. EAR
C. AI ✓ CORRECT
D. UL
Correct Answer: C
Rationale: An Adequate Intake is established when scientific evidence is insufficient to
determine an Estimated Average Requirement and subsequently an RDA, so it is based on
observed or experimentally determined approximations of nutrient intake by a group of
healthy people. The RDA requires sufficient evidence to meet the needs of nearly all healthy
individuals, while the UL represents the maximum safe intake level, and the EAR is the intake
estimated to meet the requirement of half the healthy individuals in a group. Understanding
the hierarchy of DRI values is essential for interpreting nutrition recommendations and
research.
Question 4 of 50
A registered dietitian is teaching a client how to interpret the Nutrition Facts panel on a
packaged food label. The client asks what daily calorie level the Percent Daily Value
percentages are based upon, since her own energy needs differ from this reference amount.
A. 1,500 kilocalories
B. 1,800 kilocalories
C. 2,000 kilocalories ✓ CORRECT
, D. 2,500 kilocalories
Correct Answer: C
Rationale: The Percent Daily Value on food labels is calculated based on a 2,000-kilocalorie
diet, which serves as a general reference point for the general adult population and allows
consumers to compare products using a standardized framework. While an individual's actual
energy needs may be higher or lower depending on age, sex, weight, and physical activity
level, the %DV still provides a useful benchmark for evaluating whether a food contributes a
little or a lot of a nutrient. Remember that the %DV is not a personalized target but a
standardized tool for quick comparison.
Question 5 of 50
A 35-year-old woman tracks her macronutrient intake for a week and records an average daily
consumption of 200 grams of carbohydrate, 60 grams of protein, and 60 grams of fat. She
wants to know her total daily energy intake based on standard Atwater factors.
A. 1,580 kilocalories ✓ CORRECT
B. 1,780 kilocalories
C. 1,980 kilocalories
D. 2,180 kilocalories
Correct Answer: A
Rationale: Using the standard Atwater general factors, carbohydrate and protein each provide
4 kilocalories per gram while fat provides 9 kilocalories per gram, yielding a total of 1,580
kilocalories from this distribution. The calculation is 200 grams times 4 plus 60 grams times
4 plus 60 grams times 9, which equals 800 plus 240 plus 540. A common trap is using 4
kilocalories per gram for fat, which would incorrectly produce 1,280 kilocalories, so always
verify which macronutrient you are calculating.
Question 6 of 50
A public health nutritionist recommends a dietary pattern that has been extensively studied
for its cardiovascular benefits and emphasizes fruits, vegetables, whole grains, legumes, nuts,
and olive oil as primary fat sources. This pattern is consistently associated with reduced
incidence of heart disease and stroke in epidemiological studies.
A. The Standard American Diet
B. The Mediterranean Diet ✓ CORRECT
C. The ketogenic diet
D. The paleolithic diet
Correct Answer: B
Wellness Official Practice Exam Actual
Exam 2026/2027 with Detailed Rationales |
Complete Exam-Style Questions | Pass
Guaranteed – A+ Graded
══════════════════════════════════════
SECTION 1: NUTRITION FUNDAMENTALS & DIETARY GUIDELINES Q1 – Q10
══════════════════════════════════════
Question 1 of 50
A 28-year-old female office worker wants to improve her diet by selecting foods that deliver
the highest concentration of vitamins and minerals relative to their calorie content. The
Dietary Guidelines for Americans specifically emphasize this concept when advising
Americans to make every bite count.
A. Nutrient density ✓ CORRECT
B. Energy density
C. Caloric balance
D. Dietary moderation
Correct Answer: A
Rationale: Nutrient density refers to the amount of beneficial nutrients a food provides per
calorie, a core principle emphasized throughout the Dietary Guidelines for Americans to help
individuals meet nutrient needs without excess energy intake. Energy density describes the
calories per gram of food, which does not account for micronutrient content and can mislead
consumers toward low-nutrient options. When counseling clients, always distinguish between
foods that are nutrient-dense versus merely low in calories.
Question 2 of 50
A college athlete following MyPlate guidance wants to increase his intake of dark green
vegetables to boost folate and vitamin K. At the dining hall salad bar, he examines several
options and needs to identify which item belongs to the MyPlate dark green vegetable
subgroup.
A. Corn
,B. Broccoli ✓ CORRECT
C. Potato
D. Cauliflower
Correct Answer: B
Rationale: Broccoli is classified within the dark green vegetable subgroup of MyPlate, which
includes vegetables like spinach, kale, and romaine lettuce that are rich in folate, vitamin K,
and antioxidants. Corn and potatoes are categorized as starchy vegetables, while cauliflower
falls into the "other" vegetable category, making them incorrect choices for this specific
subgroup. On exams, students frequently confuse the starchy and dark green subgroups, so
verify the micronutrient profile associated with each category.
Question 3 of 50
A 45-year-old male learns that the current Dietary Reference Intake for vitamin D was
established by observing that healthy individuals maintaining adequate serum
25-hydroxyvitamin D concentrations without supplementation consumed a specific average
daily amount. Because variability and requirements could not be determined with sufficient
precision, this value was set as an Adequate Intake rather than an RDA.
A. RDA
B. EAR
C. AI ✓ CORRECT
D. UL
Correct Answer: C
Rationale: An Adequate Intake is established when scientific evidence is insufficient to
determine an Estimated Average Requirement and subsequently an RDA, so it is based on
observed or experimentally determined approximations of nutrient intake by a group of
healthy people. The RDA requires sufficient evidence to meet the needs of nearly all healthy
individuals, while the UL represents the maximum safe intake level, and the EAR is the intake
estimated to meet the requirement of half the healthy individuals in a group. Understanding
the hierarchy of DRI values is essential for interpreting nutrition recommendations and
research.
Question 4 of 50
A registered dietitian is teaching a client how to interpret the Nutrition Facts panel on a
packaged food label. The client asks what daily calorie level the Percent Daily Value
percentages are based upon, since her own energy needs differ from this reference amount.
A. 1,500 kilocalories
B. 1,800 kilocalories
C. 2,000 kilocalories ✓ CORRECT
, D. 2,500 kilocalories
Correct Answer: C
Rationale: The Percent Daily Value on food labels is calculated based on a 2,000-kilocalorie
diet, which serves as a general reference point for the general adult population and allows
consumers to compare products using a standardized framework. While an individual's actual
energy needs may be higher or lower depending on age, sex, weight, and physical activity
level, the %DV still provides a useful benchmark for evaluating whether a food contributes a
little or a lot of a nutrient. Remember that the %DV is not a personalized target but a
standardized tool for quick comparison.
Question 5 of 50
A 35-year-old woman tracks her macronutrient intake for a week and records an average daily
consumption of 200 grams of carbohydrate, 60 grams of protein, and 60 grams of fat. She
wants to know her total daily energy intake based on standard Atwater factors.
A. 1,580 kilocalories ✓ CORRECT
B. 1,780 kilocalories
C. 1,980 kilocalories
D. 2,180 kilocalories
Correct Answer: A
Rationale: Using the standard Atwater general factors, carbohydrate and protein each provide
4 kilocalories per gram while fat provides 9 kilocalories per gram, yielding a total of 1,580
kilocalories from this distribution. The calculation is 200 grams times 4 plus 60 grams times
4 plus 60 grams times 9, which equals 800 plus 240 plus 540. A common trap is using 4
kilocalories per gram for fat, which would incorrectly produce 1,280 kilocalories, so always
verify which macronutrient you are calculating.
Question 6 of 50
A public health nutritionist recommends a dietary pattern that has been extensively studied
for its cardiovascular benefits and emphasizes fruits, vegetables, whole grains, legumes, nuts,
and olive oil as primary fat sources. This pattern is consistently associated with reduced
incidence of heart disease and stroke in epidemiological studies.
A. The Standard American Diet
B. The Mediterranean Diet ✓ CORRECT
C. The ketogenic diet
D. The paleolithic diet
Correct Answer: B
