FNDH 400 EXAM 4 ACTUAL EXAM PAPER
WITH 100% CORRECT SOLUTIONS GRADED
A+ 2026.
◍ What is the purpose of Dietary Folate Equivalents (DFEs)?
Answer: To adjust intake values based on differing bioavailability—
folic acid is absorbed more efficiently than food folate.
◍ What is the active cofactor form of folate? Answer:
Tetrahydrofolate (THF).
◍ Why does the US fortify foods with folate? Answer: To reduce
neural tube defects in infants.
◍ What causes megaloblastic macrocytic anemia? Answer: Impaired
DNA synthesis due to both folate and B12 deficiencies leading to
large, immature RBCs.
◍ What is the scientific name for Vitamin B12? Answer: Cobalamin.
◍ Why are vegans at risk for Vitamin B12 deficiency? Answer:
Reliable B12 sources are animal-derived; plant foods lack B12 unless
fortified.
WITH 100% CORRECT SOLUTIONS GRADED
A+ 2026.
◍ What is the purpose of Dietary Folate Equivalents (DFEs)?
Answer: To adjust intake values based on differing bioavailability—
folic acid is absorbed more efficiently than food folate.
◍ What is the active cofactor form of folate? Answer:
Tetrahydrofolate (THF).
◍ Why does the US fortify foods with folate? Answer: To reduce
neural tube defects in infants.
◍ What causes megaloblastic macrocytic anemia? Answer: Impaired
DNA synthesis due to both folate and B12 deficiencies leading to
large, immature RBCs.
◍ What is the scientific name for Vitamin B12? Answer: Cobalamin.
◍ Why are vegans at risk for Vitamin B12 deficiency? Answer:
Reliable B12 sources are animal-derived; plant foods lack B12 unless
fortified.
