DHN 101 Final Exam Study Guide :
Latest Practice Questions, Answers & Detailed Solutions
Comprehensive Exam Prep 2026/2027
Graded A+
Welcome to the DHN 101 Final Exam Practice Test Bank. This comprehensive examination
covers the essential concepts of human nutrition, with a special focus on food safety,
foodborne illness prevention, lifecycle nutrition, and weight status assessment. The exam is
designed to test your knowledge across key domains including Food Safety and Foodborne
Illness, Community and Global Nutrition, Nutrition Across the Lifecycle (Pregnancy, Infancy,
Childhood), Aging and Longevity, and Weight Status Assessment. Each question includes the
correct answer and a short rationale to reinforce learning. Use this test bank to prepare
effectively for your final exam.
1. Jermaine wants to follow the "Check Your Steps" rules for food safety. When he
prepares high-risk foods, he washes his hands before and after touching food, sanitizes
surfaces that come in contact with foods, cooks raw foods to their safe internal
temperatures, and chills leftovers within 30 minutes after serving them. After eating one of
his meals, Jermaine and his dinner guests developed a food-borne illness. Based on this
information, which step did he fail to take?
Answer: Separate
Rationale: The "Check Your Steps" guidelines include Clean, Separate, Cook, and Chill.
Jermaine performed Clean, Cook, and Chill but failed to Separate (prevent cross-
contamination).
2. After a tornado outbreak, Marie's house was damaged and her neighborhood
experienced a power outage that lasted three days. Which of the following steps should
she take to avoid food-borne illness during the loss of electricity?
,Answer: Do not eat raw or cooked foods that have been at room temperature for more
than 2 hours
Rationale: Perishable foods left in the "danger zone" (40°F-140°F) for more than 2 hours
should be discarded to prevent foodborne illness.
3. Julio wants to cook chicken and bake a pie made with eggs and milk for his roommates.
Julio and his dinner guests are likely to experience food-borne illness if he:
Answer: wipes the knife used to cut up the raw chicken on a hand towel before using the
knife to cut up the salad
Rationale: This is cross-contamination; wiping a knife on a towel does not sanitize it, and
bacteria from raw chicken can transfer to the salad.
4. James and his five relatives live in New Orleans, Louisiana. For him and his family to
survive a major hurricane, James wants to store enough clean water to last for about 5
days. Based on this information, he should store at least ______ gallons of bottled and
sealed water.
Answer: 30
Rationale: The general recommendation is 1 gallon per person per day. For 6 people for
5 days: 6 x 5 = 30 gallons.
5. BJ wants to follow the "Check Your Steps" rules for food safety. When he prepares
high-risk foods, he washes his hands before and after touching the food; sanitizes surfaces
that come in contact with all foods; avoids cross contamination; cooks meats to their proper
internal temperatures; and after meals, he keeps serving dishes with cooked food on the
table, so his guests can nibble on the items. After eating one of his meals, he and his
dinner guests developed a food-borne illness. Based on this information, which step did he
fail to take?
Answer: Chill
Rationale: BJ failed to refrigerate leftovers promptly. Food should not be left at room
temperature for more than 2 hours (or 1 hour if over 90°F).
,6. Franco made dinner for his roommates. The meal included a baked cut-up chicken, fruit
salad, and stir-fried rice with mixed vegetables. About 8 hours after eating dinner, Franco
and his roommates experienced nausea, vomiting, fever, chills, and diarrhea. Based on this
information, Franco probably:
Answer: did not wash the knife that he used to cut up the chicken before using it to cut up
the fruit.
Rationale: This is cross-contamination. Bacteria from the raw chicken transferred to the fruit
via the unwashed knife.
7. Felicia wants to follow the "Check Your Steps" rules for food safety. When she
prepares high-risk foods, she avoids cross contamination, cooks raw foods to their safe
internal temperatures, and chills leftovers within 30 minutes after serving them. After
eating one of her meals, Felicia and her dinner guests developed a food-borne illness.
Based on this information, which step did she fail to take?
Answer: Clean
Rationale: Felicia failed to adequately clean her hands and surfaces. Proper handwashing
and sanitizing are essential.
8. Jordan is an American who is traveling through India. Today, he's staying in a home
that's in a village about 50 miles southwest of New Delhi. To avoid traveler's diarrhea,
Jordan should:
Answer: use bottled water to drink, wash hands, brush teeth, and take medication.
Rationale: Using bottled water for all purposes (drinking, brushing teeth, washing hands) is
recommended to avoid traveler's diarrhea.
9. Jillian is an American who is staying in a small town in Guatemala, Central America. To
avoid traveler's diarrhea, Jillian should:
Answer: not drink fresh water.
, Rationale: In developing countries, tap water is often contaminated. Bottled or purified
water should be consumed.
10. After Ariel gave birth to a healthy baby boy, the physician immediately placed the
baby next to Ariel's breast so the infant could begin breastfeeding. This practice:
Answer: stimulates Ariel's uterus to contract, reducing her risk of bleeding excessively.
Rationale: Breastfeeding releases oxytocin, which stimulates uterine contractions, helping
to reduce postpartum hemorrhage.
11. Shakena is a 7-year-old girl whose BMI-to-age is in the 86th percentile. According to
this information, Shakena's weight is:
Answer: classified as overweight.
Rationale: For children, BMI-for-age between the 85th and 95th percentile is classified as
overweight. Above the 95th percentile is obesity.
12. Mario is a 7-year-old boy whose BMI-to-age is in the 75th percentile. According to
this information, Mario's weight is:
Answer: healthy for his age.
Rationale: A BMI-for-age between the 5th and 85th percentile is considered healthy for
children.
13. During her first pregnancy, Britt was unable to stop smoking. Based on this information,
her baby has a:
Answer: high risk of becoming an obese child.
Rationale: Maternal smoking during pregnancy is associated with an increased risk of
childhood obesity.
Latest Practice Questions, Answers & Detailed Solutions
Comprehensive Exam Prep 2026/2027
Graded A+
Welcome to the DHN 101 Final Exam Practice Test Bank. This comprehensive examination
covers the essential concepts of human nutrition, with a special focus on food safety,
foodborne illness prevention, lifecycle nutrition, and weight status assessment. The exam is
designed to test your knowledge across key domains including Food Safety and Foodborne
Illness, Community and Global Nutrition, Nutrition Across the Lifecycle (Pregnancy, Infancy,
Childhood), Aging and Longevity, and Weight Status Assessment. Each question includes the
correct answer and a short rationale to reinforce learning. Use this test bank to prepare
effectively for your final exam.
1. Jermaine wants to follow the "Check Your Steps" rules for food safety. When he
prepares high-risk foods, he washes his hands before and after touching food, sanitizes
surfaces that come in contact with foods, cooks raw foods to their safe internal
temperatures, and chills leftovers within 30 minutes after serving them. After eating one of
his meals, Jermaine and his dinner guests developed a food-borne illness. Based on this
information, which step did he fail to take?
Answer: Separate
Rationale: The "Check Your Steps" guidelines include Clean, Separate, Cook, and Chill.
Jermaine performed Clean, Cook, and Chill but failed to Separate (prevent cross-
contamination).
2. After a tornado outbreak, Marie's house was damaged and her neighborhood
experienced a power outage that lasted three days. Which of the following steps should
she take to avoid food-borne illness during the loss of electricity?
,Answer: Do not eat raw or cooked foods that have been at room temperature for more
than 2 hours
Rationale: Perishable foods left in the "danger zone" (40°F-140°F) for more than 2 hours
should be discarded to prevent foodborne illness.
3. Julio wants to cook chicken and bake a pie made with eggs and milk for his roommates.
Julio and his dinner guests are likely to experience food-borne illness if he:
Answer: wipes the knife used to cut up the raw chicken on a hand towel before using the
knife to cut up the salad
Rationale: This is cross-contamination; wiping a knife on a towel does not sanitize it, and
bacteria from raw chicken can transfer to the salad.
4. James and his five relatives live in New Orleans, Louisiana. For him and his family to
survive a major hurricane, James wants to store enough clean water to last for about 5
days. Based on this information, he should store at least ______ gallons of bottled and
sealed water.
Answer: 30
Rationale: The general recommendation is 1 gallon per person per day. For 6 people for
5 days: 6 x 5 = 30 gallons.
5. BJ wants to follow the "Check Your Steps" rules for food safety. When he prepares
high-risk foods, he washes his hands before and after touching the food; sanitizes surfaces
that come in contact with all foods; avoids cross contamination; cooks meats to their proper
internal temperatures; and after meals, he keeps serving dishes with cooked food on the
table, so his guests can nibble on the items. After eating one of his meals, he and his
dinner guests developed a food-borne illness. Based on this information, which step did he
fail to take?
Answer: Chill
Rationale: BJ failed to refrigerate leftovers promptly. Food should not be left at room
temperature for more than 2 hours (or 1 hour if over 90°F).
,6. Franco made dinner for his roommates. The meal included a baked cut-up chicken, fruit
salad, and stir-fried rice with mixed vegetables. About 8 hours after eating dinner, Franco
and his roommates experienced nausea, vomiting, fever, chills, and diarrhea. Based on this
information, Franco probably:
Answer: did not wash the knife that he used to cut up the chicken before using it to cut up
the fruit.
Rationale: This is cross-contamination. Bacteria from the raw chicken transferred to the fruit
via the unwashed knife.
7. Felicia wants to follow the "Check Your Steps" rules for food safety. When she
prepares high-risk foods, she avoids cross contamination, cooks raw foods to their safe
internal temperatures, and chills leftovers within 30 minutes after serving them. After
eating one of her meals, Felicia and her dinner guests developed a food-borne illness.
Based on this information, which step did she fail to take?
Answer: Clean
Rationale: Felicia failed to adequately clean her hands and surfaces. Proper handwashing
and sanitizing are essential.
8. Jordan is an American who is traveling through India. Today, he's staying in a home
that's in a village about 50 miles southwest of New Delhi. To avoid traveler's diarrhea,
Jordan should:
Answer: use bottled water to drink, wash hands, brush teeth, and take medication.
Rationale: Using bottled water for all purposes (drinking, brushing teeth, washing hands) is
recommended to avoid traveler's diarrhea.
9. Jillian is an American who is staying in a small town in Guatemala, Central America. To
avoid traveler's diarrhea, Jillian should:
Answer: not drink fresh water.
, Rationale: In developing countries, tap water is often contaminated. Bottled or purified
water should be consumed.
10. After Ariel gave birth to a healthy baby boy, the physician immediately placed the
baby next to Ariel's breast so the infant could begin breastfeeding. This practice:
Answer: stimulates Ariel's uterus to contract, reducing her risk of bleeding excessively.
Rationale: Breastfeeding releases oxytocin, which stimulates uterine contractions, helping
to reduce postpartum hemorrhage.
11. Shakena is a 7-year-old girl whose BMI-to-age is in the 86th percentile. According to
this information, Shakena's weight is:
Answer: classified as overweight.
Rationale: For children, BMI-for-age between the 85th and 95th percentile is classified as
overweight. Above the 95th percentile is obesity.
12. Mario is a 7-year-old boy whose BMI-to-age is in the 75th percentile. According to
this information, Mario's weight is:
Answer: healthy for his age.
Rationale: A BMI-for-age between the 5th and 85th percentile is considered healthy for
children.
13. During her first pregnancy, Britt was unable to stop smoking. Based on this information,
her baby has a:
Answer: high risk of becoming an obese child.
Rationale: Maternal smoking during pregnancy is associated with an increased risk of
childhood obesity.
