DHN 101 EXAM 1 2026/2027 | STUDY GUIDE, PRACTICE QUESTIONS,
ANSWERS & COMPREHENSIVE EXAM REVIEW
Which of the following foods is naturally a rich source of phytochemicals? - ANS ✔✔Blueberries
Studying nutrition is important to - ANS ✔✔select the appropriate mix of nutrients for proper body
functioning.
Which of the following factors has a major influence over a person's food choices? - ANS ✔✔Close
friends
Which of the following lifestyle choices is the primary cause of preventable cancer deaths in the United
States? - ANS ✔✔Smoking cigarettes
Which of the following substances is a macronutrient? - ANS ✔✔Protein
Per serving, which of the following foods is the most energy-dense? - ANS ✔✔4-ounce chocolate
doughnut
Which of the following substances is a nutrient that does NOT supply any energy for the human body? -
ANS ✔✔Vitamin D
Which of the following is NOT a common marketing tactic to encourage consumers to purchase
manufactured foods? - ANS ✔✔Nutrition information posted next to fresh fruits and vegetables
Which of the following conditions or diseases is a leading diet-related cause of death in the United
States? - ANS ✔✔Stroke
Which of the following statements is true? - ANS ✔✔In the United States, poor eating habits contribute
to some of the ten leading causes of death.
How to find mg/kcal - ANS ✔✔mg/kcal
Top 4 leading causes of death - ANS ✔✔Heart disease, cancer, chronic lower respiratory infections,
accidents
A food that contributes significantly to total energy intake (i.e., high in solid fats, added sugars, and/or
alcohol) while supplying relatively few micronutrients is considered a source of - ANS ✔✔empty calories
Certain foods are more nutritious than others, and a food that contains more vitamins and minerals in
relation to fat, sugar, and alcohol content is called a(n) - ANS ✔✔nutrient-dense food.
The caloric value of a food in relation to its total weight defines how - ANS ✔✔energy-dense a food is.
The usual pattern of foods that you choose to eat is referred to as your - ANS ✔✔diet
, The foods that you eat contain _____ chemicals that are necessary for proper body functioning. - ANS
✔✔nutrients
is one that must be provided by the diet because it cannot be produced by the body or produced in the
amount that is needed. - ANS ✔✔A(n) essential nutrient
Failure to consume adequate amounts of nutrients can lead to noticeable and measurable physical
changes that are _____ of deficiency disease. - ANS ✔✔signs
Deficiency disease can cause subjective health problems called ____ which may include headaches,
dizziness, and fatigue - ANS ✔✔symptoms
Macronutrients - ANS ✔✔carbohydrates, fat, energy-yielding nutrient, nutrients required in grams per
day
Micronutrients - ANS ✔✔vitamins, minerals, non-energy yielding nutrient, nutrients required in
milligrams per day
According to the nutrition-related objectives of Healthy People 2020, Americans should increase their
consumption o - ANS ✔✔fruit, whole grains
nutrient dense foods - ANS ✔✔grilled salmon and stawberries
source of empty calories - ANS ✔✔cola and potato chips
postitive correlation - ANS ✔✔both variables increase together
A group of registered dietitian nutritionists is planning to conduct a scientific study to investigate the
effects of eating honey on behavior in school-aged children. To start, the researchers will - ANS ✔✔make
observations.
A group of scientists suspects that certain dietary practices are partially responsible for different rates of
hypertension among adults of different ethnic/racial groups. To test their hypothesis, the researchers
examine data concerning the different population groups' hypertension rates and their past dietary
practices. This research is a ________ study. - ANS ✔✔retrospective
Which of the following observations is an example of a positive correlation? - ANS ✔✔When a
population's vitamin D intake decreases, the percentage of people in the population that have healthy
immune systems decreases.
A nutrition researcher would like to determine whether women who take fish oil supplements during
pregnancy give birth to babies who score higher on basic intelligence tests when they are 5 years of age
than the 5-year old children that were born to women who did not take the fish oil supplements during
pregnancy. This kind of research is a(n) ________ study. - ANS ✔✔prospective
Which of the following kinds of studies would be the best to use when investigating whether cigarette
smoking influences weight gain? - ANS ✔✔Cohort
ANSWERS & COMPREHENSIVE EXAM REVIEW
Which of the following foods is naturally a rich source of phytochemicals? - ANS ✔✔Blueberries
Studying nutrition is important to - ANS ✔✔select the appropriate mix of nutrients for proper body
functioning.
Which of the following factors has a major influence over a person's food choices? - ANS ✔✔Close
friends
Which of the following lifestyle choices is the primary cause of preventable cancer deaths in the United
States? - ANS ✔✔Smoking cigarettes
Which of the following substances is a macronutrient? - ANS ✔✔Protein
Per serving, which of the following foods is the most energy-dense? - ANS ✔✔4-ounce chocolate
doughnut
Which of the following substances is a nutrient that does NOT supply any energy for the human body? -
ANS ✔✔Vitamin D
Which of the following is NOT a common marketing tactic to encourage consumers to purchase
manufactured foods? - ANS ✔✔Nutrition information posted next to fresh fruits and vegetables
Which of the following conditions or diseases is a leading diet-related cause of death in the United
States? - ANS ✔✔Stroke
Which of the following statements is true? - ANS ✔✔In the United States, poor eating habits contribute
to some of the ten leading causes of death.
How to find mg/kcal - ANS ✔✔mg/kcal
Top 4 leading causes of death - ANS ✔✔Heart disease, cancer, chronic lower respiratory infections,
accidents
A food that contributes significantly to total energy intake (i.e., high in solid fats, added sugars, and/or
alcohol) while supplying relatively few micronutrients is considered a source of - ANS ✔✔empty calories
Certain foods are more nutritious than others, and a food that contains more vitamins and minerals in
relation to fat, sugar, and alcohol content is called a(n) - ANS ✔✔nutrient-dense food.
The caloric value of a food in relation to its total weight defines how - ANS ✔✔energy-dense a food is.
The usual pattern of foods that you choose to eat is referred to as your - ANS ✔✔diet
, The foods that you eat contain _____ chemicals that are necessary for proper body functioning. - ANS
✔✔nutrients
is one that must be provided by the diet because it cannot be produced by the body or produced in the
amount that is needed. - ANS ✔✔A(n) essential nutrient
Failure to consume adequate amounts of nutrients can lead to noticeable and measurable physical
changes that are _____ of deficiency disease. - ANS ✔✔signs
Deficiency disease can cause subjective health problems called ____ which may include headaches,
dizziness, and fatigue - ANS ✔✔symptoms
Macronutrients - ANS ✔✔carbohydrates, fat, energy-yielding nutrient, nutrients required in grams per
day
Micronutrients - ANS ✔✔vitamins, minerals, non-energy yielding nutrient, nutrients required in
milligrams per day
According to the nutrition-related objectives of Healthy People 2020, Americans should increase their
consumption o - ANS ✔✔fruit, whole grains
nutrient dense foods - ANS ✔✔grilled salmon and stawberries
source of empty calories - ANS ✔✔cola and potato chips
postitive correlation - ANS ✔✔both variables increase together
A group of registered dietitian nutritionists is planning to conduct a scientific study to investigate the
effects of eating honey on behavior in school-aged children. To start, the researchers will - ANS ✔✔make
observations.
A group of scientists suspects that certain dietary practices are partially responsible for different rates of
hypertension among adults of different ethnic/racial groups. To test their hypothesis, the researchers
examine data concerning the different population groups' hypertension rates and their past dietary
practices. This research is a ________ study. - ANS ✔✔retrospective
Which of the following observations is an example of a positive correlation? - ANS ✔✔When a
population's vitamin D intake decreases, the percentage of people in the population that have healthy
immune systems decreases.
A nutrition researcher would like to determine whether women who take fish oil supplements during
pregnancy give birth to babies who score higher on basic intelligence tests when they are 5 years of age
than the 5-year old children that were born to women who did not take the fish oil supplements during
pregnancy. This kind of research is a(n) ________ study. - ANS ✔✔prospective
Which of the following kinds of studies would be the best to use when investigating whether cigarette
smoking influences weight gain? - ANS ✔✔Cohort
