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NAFC NUTRITION CERTIFICATION
EXAM 2025/2026 UPDATED EXAM
WITH VERIFIED SOLUTIONS.
1. Name 5 vitamins and their functions - correct answer -A :
Vision/ corneal health, D: bone growth, nervous system, E:
immune & cardiovascular health, B1: energy metabolism, B12:
cell renewal
2. What are the primary functions of minerals? - correct answer -
these micronutrients maintain proper balance of water in the
body, bone health, stabilization of protein structures, oxygen
transport, enzyme formation.
3. Name 5 minerals and their functions - correct answer -sodium,
chloride & potassium maintain proper balance of water in the
body, Iron transports O2 throughout the body, Zinc helps blood
to clot, Copper helps to form enzymes
4. What are the primary functions of enzymes? - correct answer -
these serve as catalysts for many chemical reactions in the
body. They are present in raw foods & heat liable. 3 main types
: digestive, metabolic, & food
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5. Why are enzymes important? - correct answer -Without these,
chemical reactions would take much longer, and life would not
be possible.
6. What are phytonutrients? - correct answer -little is understood
about these antioxidants, stimulators of detox enzymes,
stimulators/modulators of the immune system, modulators of
hormones, antimicrobials, gene activators
7. Why are phytonutrients important? - correct answer -these
colorful compounds in fresh fruits and vegetables have health
benefiting effects that reach far beyond what is currently
understood. They protect and stimulate the immune system as
well as promote healing.
8. What is the caloric value of a gram of carbohydrate? - correct
answer -4 calories
9. What is the caloric value of a gram of protein? - correct answer
-4 calories
NAFC NUTRITION CERTIFICATION
EXAM 2025/2026 UPDATED EXAM
WITH VERIFIED SOLUTIONS.
1. Name 5 vitamins and their functions - correct answer -A :
Vision/ corneal health, D: bone growth, nervous system, E:
immune & cardiovascular health, B1: energy metabolism, B12:
cell renewal
2. What are the primary functions of minerals? - correct answer -
these micronutrients maintain proper balance of water in the
body, bone health, stabilization of protein structures, oxygen
transport, enzyme formation.
3. Name 5 minerals and their functions - correct answer -sodium,
chloride & potassium maintain proper balance of water in the
body, Iron transports O2 throughout the body, Zinc helps blood
to clot, Copper helps to form enzymes
4. What are the primary functions of enzymes? - correct answer -
these serve as catalysts for many chemical reactions in the
body. They are present in raw foods & heat liable. 3 main types
: digestive, metabolic, & food
, Page | 2
5. Why are enzymes important? - correct answer -Without these,
chemical reactions would take much longer, and life would not
be possible.
6. What are phytonutrients? - correct answer -little is understood
about these antioxidants, stimulators of detox enzymes,
stimulators/modulators of the immune system, modulators of
hormones, antimicrobials, gene activators
7. Why are phytonutrients important? - correct answer -these
colorful compounds in fresh fruits and vegetables have health
benefiting effects that reach far beyond what is currently
understood. They protect and stimulate the immune system as
well as promote healing.
8. What is the caloric value of a gram of carbohydrate? - correct
answer -4 calories
9. What is the caloric value of a gram of protein? - correct answer
-4 calories
