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BIOD121 / BIOD 121 Module 6 ACTUAL EXAM
2026/2027 | Essentials in Nutrition | Verified
Questions and Answers 100% Correct | Grade A |
Portage Learning | Pass Guaranteed
Section I: Pregnancy & Lactation Nutrition (Questions 1-15)
Question 1
Maria is a 28-year-old pregnant woman in her first trimester. She reports experiencing severe
nausea and vomiting, particularly in the morning, and has lost 3 pounds in two weeks. She is
concerned about her baby's development. What is the most appropriate nutritional
recommendation for Maria at this stage?
A) Immediately increase caloric intake by 300 kcal/day to compensate for weight loss
B) Focus on small, frequent meals and dry carbohydrates while ensuring adequate hydration
C) Begin iron supplementation to address potential anemia from poor intake
D) Initiate high-dose prenatal vitamins on an empty stomach to maximize absorption
Correct Answer: B
Rationale: The key nutritional principle here addresses first-trimester nausea and vomiting
(morning sickness), which affects 70-80% of pregnant women. Small, frequent meals and dry
carbohydrates (crackers, toast) are evidence-based strategies to manage nausea by avoiding an
empty stomach and providing easily digestible energy sources. First-trimester caloric needs do
not increase significantly (no additional calories needed in trimester 1 according to Dietary
Guidelines), making option A premature. Iron supplementation often exacerbates nausea and
should be taken with food, not on an empty stomach. The priority is maintaining hydration and
basic energy intake; most women compensate for early pregnancy weight loss in later trimesters
when nausea resolves.
Question 2
During prenatal counseling, a registered dietitian emphasizes the importance of folate/folic acid
supplementation. Which statement best explains the primary rationale for this recommendation
during the periconceptional period?
,2
A) Folate prevents macrosomia (excessive birth weight) in the newborn
B) Folate is essential for DNA synthesis and neural tube closure during weeks 3-4 of gestation
C) Folate primarily supports maternal red blood cell production to prevent anemia
D) Folate enhances calcium absorption for fetal bone development
Correct Answer: B
Rationale: Folate's critical role in pregnancy centers on neural tube development, which occurs
during the first 28 days of gestation—often before a woman confirms pregnancy. Folate
functions as a coenzyme in DNA synthesis, cell division, and amino acid metabolism, directly
supporting the rapid cell proliferation required for neural tube closure. The RDA for folate
increases from 400 mcg to 600 mcg DFE during pregnancy, with supplementation of 400-800
mcg folic acid recommended for all women of childbearing age. Neural tube defects (spina
bifida, anencephaly) are reduced by 50-70% with adequate periconceptional folate intake. While
folate supports maternal erythropoiesis (option C), this is secondary to the teratogenic prevention
imperative.
Question 3
A pregnant woman at 20 weeks gestation asks about appropriate weight gain. Her pre-pregnancy
BMI was 27 kg/m² (overweight category). According to current Institute of Medicine guidelines,
what is the recommended total weight gain for this pregnancy?
A) 15-25 pounds (6.8-11.3 kg)
B) 25-35 pounds (11.5-16 kg)
C) 28-40 pounds (12.5-18 kg)
D) 11-20 pounds (5-9 kg)
Correct Answer: A
Rationale: The Institute of Medicine (IOM) 2009 guidelines specify gestational weight gain
ranges based on pre-pregnancy BMI categories: Underweight (BMI <18.5): 28-40 lbs; Normal
weight (BMI 18.5-24.9): 25-35 lbs; Overweight (BMI 25-29.9): 15-25 lbs; Obese (BMI ≥30):
11-20 lbs. For this overweight woman (BMI 27), the 15-25 pound range balances fetal growth
needs with maternal health risks. Excessive gain in overweight women increases risks for
gestational diabetes, cesarean delivery, and postpartum weight retention, while insufficient gain
increases small-for-gestational-age infant risk. The second and third trimesters require
approximately 0.6 lbs/week gain for overweight women.
Question 4
, 3
Jennifer is a pregnant woman in her third trimester who follows a vegan diet. Her healthcare
provider is concerned about potential nutrient deficiencies. Which nutrient combination
represents the most critical supplementation priorities for this patient?
A) Vitamin C and magnesium
B) Vitamin B12, iron, and DHA
C) Vitamin E and selenium
D) Vitamin A and zinc
Correct Answer: B
Rationale: Vegan diets eliminate all animal products, creating specific risk patterns during
pregnancy. Vitamin B12 is found exclusively in animal products; deficiency causes irreversible
neurological damage and developmental delays in infants. Iron needs increase to 27 mg/day
during pregnancy (RDA), and plant-source (non-heme) iron has 2-20% bioavailability compared
to 15-35% for heme iron, increasing deficiency risk. DHA (docosahexaenoic acid), an omega-3
fatty acid critical for fetal brain and retinal development, is primarily obtained from fish; algae-
based supplements are necessary for vegans. While other nutrients are important, B12, iron, and
DHA represent non-negotiable supplementation needs for vegan pregnant women to prevent
serious adverse outcomes.
Question 5
A lactating mother asks about caloric needs to support exclusive breastfeeding for her 3-month-
old infant. Based on current guidelines, approximately how many additional calories per day
does she need compared to her pre-pregnancy intake?
A) No additional calories needed until complementary foods are introduced
B) 330 kcal/day
C) 500 kcal/day
D) 650 kcal/day
Correct Answer: B
Rationale: The Dietary Reference Intakes specify that exclusively breastfeeding women require
approximately 330 kcal/day above pre-pregnancy needs during the first 6 months postpartum,
increasing to 400 kcal/day during months 7-12 as milk volume increases and partial weaning
occurs. The 500 kcal figure represents the energy cost of milk production, but partial offset
comes from maternal fat stores mobilized during lactation (approximately 170 kcal/day from fat
stores), resulting in net additional needs of 330 kcal. This energy supports milk synthesis
(approximately 20 kcal/ounce) without promoting excessive postpartum weight retention.
Individual needs vary based on maternal BMI, activity level, and milk volume.
BIOD121 / BIOD 121 Module 6 ACTUAL EXAM
2026/2027 | Essentials in Nutrition | Verified
Questions and Answers 100% Correct | Grade A |
Portage Learning | Pass Guaranteed
Section I: Pregnancy & Lactation Nutrition (Questions 1-15)
Question 1
Maria is a 28-year-old pregnant woman in her first trimester. She reports experiencing severe
nausea and vomiting, particularly in the morning, and has lost 3 pounds in two weeks. She is
concerned about her baby's development. What is the most appropriate nutritional
recommendation for Maria at this stage?
A) Immediately increase caloric intake by 300 kcal/day to compensate for weight loss
B) Focus on small, frequent meals and dry carbohydrates while ensuring adequate hydration
C) Begin iron supplementation to address potential anemia from poor intake
D) Initiate high-dose prenatal vitamins on an empty stomach to maximize absorption
Correct Answer: B
Rationale: The key nutritional principle here addresses first-trimester nausea and vomiting
(morning sickness), which affects 70-80% of pregnant women. Small, frequent meals and dry
carbohydrates (crackers, toast) are evidence-based strategies to manage nausea by avoiding an
empty stomach and providing easily digestible energy sources. First-trimester caloric needs do
not increase significantly (no additional calories needed in trimester 1 according to Dietary
Guidelines), making option A premature. Iron supplementation often exacerbates nausea and
should be taken with food, not on an empty stomach. The priority is maintaining hydration and
basic energy intake; most women compensate for early pregnancy weight loss in later trimesters
when nausea resolves.
Question 2
During prenatal counseling, a registered dietitian emphasizes the importance of folate/folic acid
supplementation. Which statement best explains the primary rationale for this recommendation
during the periconceptional period?
,2
A) Folate prevents macrosomia (excessive birth weight) in the newborn
B) Folate is essential for DNA synthesis and neural tube closure during weeks 3-4 of gestation
C) Folate primarily supports maternal red blood cell production to prevent anemia
D) Folate enhances calcium absorption for fetal bone development
Correct Answer: B
Rationale: Folate's critical role in pregnancy centers on neural tube development, which occurs
during the first 28 days of gestation—often before a woman confirms pregnancy. Folate
functions as a coenzyme in DNA synthesis, cell division, and amino acid metabolism, directly
supporting the rapid cell proliferation required for neural tube closure. The RDA for folate
increases from 400 mcg to 600 mcg DFE during pregnancy, with supplementation of 400-800
mcg folic acid recommended for all women of childbearing age. Neural tube defects (spina
bifida, anencephaly) are reduced by 50-70% with adequate periconceptional folate intake. While
folate supports maternal erythropoiesis (option C), this is secondary to the teratogenic prevention
imperative.
Question 3
A pregnant woman at 20 weeks gestation asks about appropriate weight gain. Her pre-pregnancy
BMI was 27 kg/m² (overweight category). According to current Institute of Medicine guidelines,
what is the recommended total weight gain for this pregnancy?
A) 15-25 pounds (6.8-11.3 kg)
B) 25-35 pounds (11.5-16 kg)
C) 28-40 pounds (12.5-18 kg)
D) 11-20 pounds (5-9 kg)
Correct Answer: A
Rationale: The Institute of Medicine (IOM) 2009 guidelines specify gestational weight gain
ranges based on pre-pregnancy BMI categories: Underweight (BMI <18.5): 28-40 lbs; Normal
weight (BMI 18.5-24.9): 25-35 lbs; Overweight (BMI 25-29.9): 15-25 lbs; Obese (BMI ≥30):
11-20 lbs. For this overweight woman (BMI 27), the 15-25 pound range balances fetal growth
needs with maternal health risks. Excessive gain in overweight women increases risks for
gestational diabetes, cesarean delivery, and postpartum weight retention, while insufficient gain
increases small-for-gestational-age infant risk. The second and third trimesters require
approximately 0.6 lbs/week gain for overweight women.
Question 4
, 3
Jennifer is a pregnant woman in her third trimester who follows a vegan diet. Her healthcare
provider is concerned about potential nutrient deficiencies. Which nutrient combination
represents the most critical supplementation priorities for this patient?
A) Vitamin C and magnesium
B) Vitamin B12, iron, and DHA
C) Vitamin E and selenium
D) Vitamin A and zinc
Correct Answer: B
Rationale: Vegan diets eliminate all animal products, creating specific risk patterns during
pregnancy. Vitamin B12 is found exclusively in animal products; deficiency causes irreversible
neurological damage and developmental delays in infants. Iron needs increase to 27 mg/day
during pregnancy (RDA), and plant-source (non-heme) iron has 2-20% bioavailability compared
to 15-35% for heme iron, increasing deficiency risk. DHA (docosahexaenoic acid), an omega-3
fatty acid critical for fetal brain and retinal development, is primarily obtained from fish; algae-
based supplements are necessary for vegans. While other nutrients are important, B12, iron, and
DHA represent non-negotiable supplementation needs for vegan pregnant women to prevent
serious adverse outcomes.
Question 5
A lactating mother asks about caloric needs to support exclusive breastfeeding for her 3-month-
old infant. Based on current guidelines, approximately how many additional calories per day
does she need compared to her pre-pregnancy intake?
A) No additional calories needed until complementary foods are introduced
B) 330 kcal/day
C) 500 kcal/day
D) 650 kcal/day
Correct Answer: B
Rationale: The Dietary Reference Intakes specify that exclusively breastfeeding women require
approximately 330 kcal/day above pre-pregnancy needs during the first 6 months postpartum,
increasing to 400 kcal/day during months 7-12 as milk volume increases and partial weaning
occurs. The 500 kcal figure represents the energy cost of milk production, but partial offset
comes from maternal fat stores mobilized during lactation (approximately 170 kcal/day from fat
stores), resulting in net additional needs of 330 kcal. This energy supports milk synthesis
(approximately 20 kcal/ounce) without promoting excessive postpartum weight retention.
Individual needs vary based on maternal BMI, activity level, and milk volume.
