WGU D440 OA HEALTH AND NUTRITION EXAM
2026 PRACTICE TEST PAPER REVIEW SHEET
TESTED QUESTIONS FULL SOLUTION
◉ Role of protein in the immune system. Answer: Builds
lymphocytes.
◉ Element that distinguishes protein. Answer: Nitrogen.
◉ Factors influencing body's requirements for protein. Answer:
Illness, tissue growth, quality of dietary protein.
◉ Method to rate protein quality. Answer: Digestible indispensable
amino acid score.
◉ Factors influencing protein requirement. Answer: Tissue growth,
illness or disease, quality of dietary protein.
◉ Description of indispensable amino acids. Answer: They are
needed for all healthy life, they are not necessary to obtain in the
diet, they can be synthesized from other amino acids.
,◉ Type of amino acid necessary for certain illnesses. Answer:
Conditionally indispensable.
◉ Characteristics associated with kwashiorkor and marasmus.
Answer: Stunted growth, poor development, weakened immune
system.
◉ Rennin's role in protein absorption. Answer: "Rennin and calcium
prevent rapid absorption of milk in an infant."
◉ Enzyme involved in protein digestion. Answer: Carboxypeptidase,
responsible for attacking acid in the small intestine.
◉ Complete protein food. Answer: Fish, which should be included
while planning a patient's diet.
◉ Final enzyme in the protein-splitting system. Answer: Dipeptidase
produced in the small intestine
◉ How does protein help maintain pH balance?. Answer: Acts as a
buffering agent
◉ Source of complete protein containing all indispensable amino
acids. Answer: Soy
,◉ Where are amino acids absorbed?. Answer: Portal circulation
◉ Recommended food for patient with biotinidase deficiency.
Answer: Liver, Corn, Soy flour, Yeast
◉ Food recommended for good source of vitamin E. Answer:
Spinach, Sunflower oil, Hazelnuts
◉ CDC's daily recommendation for intake of fruits and vegetables is
based on. Answer: Age, Sex, Impact of intake on mortality
◉ Phytochemicals provide protective benefits against. Answer:
Chronic disease, Cardiovascular disease, Cancer
◉ Statement about adequate intake of fruits and vegetables. Answer:
"Fill half of your plate with fruits and vegetables each time you eat."
◉ Action of phytonutrients in cancer prevention. Answer: Promote
antioxidant activity
◉ Best source of B vitamins. Answer: Meats
, ◉ Daily amount of riboflavin recommended for females. Answer: 1.1
mg/day with no set maximum amount
◉ Role of vitamin C in preventing iron-deficiency anemia. Answer:
Helps absorb nonheme iron
◉ Sources of vitamin A. Answer: Liver, Carrots, Sweet potato
◉ Food sources high in vitamin C. Answer: Tomato juice, Peppers,
Broccoli
◉ Foods preventing anemia in pregnant and lactating women.
Answer: Legumes, Orange juice, Green leafy vegetables
◉ Vitamin C is necessary for which critical body functions?. Answer:
Antioxidant function, Collagen synthesis, General body metabolism
◉ Appropriate statement for patient taking high-dose niacin
supplements. Answer: Not provided in the notes
◉ Phytonutrients. Answer: Phytonutrients are better absorbed from
foods.
2026 PRACTICE TEST PAPER REVIEW SHEET
TESTED QUESTIONS FULL SOLUTION
◉ Role of protein in the immune system. Answer: Builds
lymphocytes.
◉ Element that distinguishes protein. Answer: Nitrogen.
◉ Factors influencing body's requirements for protein. Answer:
Illness, tissue growth, quality of dietary protein.
◉ Method to rate protein quality. Answer: Digestible indispensable
amino acid score.
◉ Factors influencing protein requirement. Answer: Tissue growth,
illness or disease, quality of dietary protein.
◉ Description of indispensable amino acids. Answer: They are
needed for all healthy life, they are not necessary to obtain in the
diet, they can be synthesized from other amino acids.
,◉ Type of amino acid necessary for certain illnesses. Answer:
Conditionally indispensable.
◉ Characteristics associated with kwashiorkor and marasmus.
Answer: Stunted growth, poor development, weakened immune
system.
◉ Rennin's role in protein absorption. Answer: "Rennin and calcium
prevent rapid absorption of milk in an infant."
◉ Enzyme involved in protein digestion. Answer: Carboxypeptidase,
responsible for attacking acid in the small intestine.
◉ Complete protein food. Answer: Fish, which should be included
while planning a patient's diet.
◉ Final enzyme in the protein-splitting system. Answer: Dipeptidase
produced in the small intestine
◉ How does protein help maintain pH balance?. Answer: Acts as a
buffering agent
◉ Source of complete protein containing all indispensable amino
acids. Answer: Soy
,◉ Where are amino acids absorbed?. Answer: Portal circulation
◉ Recommended food for patient with biotinidase deficiency.
Answer: Liver, Corn, Soy flour, Yeast
◉ Food recommended for good source of vitamin E. Answer:
Spinach, Sunflower oil, Hazelnuts
◉ CDC's daily recommendation for intake of fruits and vegetables is
based on. Answer: Age, Sex, Impact of intake on mortality
◉ Phytochemicals provide protective benefits against. Answer:
Chronic disease, Cardiovascular disease, Cancer
◉ Statement about adequate intake of fruits and vegetables. Answer:
"Fill half of your plate with fruits and vegetables each time you eat."
◉ Action of phytonutrients in cancer prevention. Answer: Promote
antioxidant activity
◉ Best source of B vitamins. Answer: Meats
, ◉ Daily amount of riboflavin recommended for females. Answer: 1.1
mg/day with no set maximum amount
◉ Role of vitamin C in preventing iron-deficiency anemia. Answer:
Helps absorb nonheme iron
◉ Sources of vitamin A. Answer: Liver, Carrots, Sweet potato
◉ Food sources high in vitamin C. Answer: Tomato juice, Peppers,
Broccoli
◉ Foods preventing anemia in pregnant and lactating women.
Answer: Legumes, Orange juice, Green leafy vegetables
◉ Vitamin C is necessary for which critical body functions?. Answer:
Antioxidant function, Collagen synthesis, General body metabolism
◉ Appropriate statement for patient taking high-dose niacin
supplements. Answer: Not provided in the notes
◉ Phytonutrients. Answer: Phytonutrients are better absorbed from
foods.
