2026 PRACTICE SOLUTION COMPLETE
QUESTIONS ANSWERS GRADED A+
◉ vita.
Answer: life
◉ amine.
Answer: containing nitrogen (the first vitamins discovered
contained nitrogen)
◉ vitamins were discovered in.
Answer: the 1900s
◉ lack of vitamin __ can cause blindness.
Answer: A
◉ lack of vitamin __ can cause dementia.
Answer: B niacin
◉ lack of vitamin __ can retard bone growth.
,Answer: D
◉ vitamin __ allows blood to clot.
Answer: K
◉ vitamin __ helps prevent birth defects.
Answer: B folate
◉ vitamin structure.
Answer: vitamins are individual units not linked together
◉ vitamin function.
Answer: do not yield usable energy when broken down. they assist
enzymes that release energy from carbohydrates, fats, and proteins
◉ bioavailability.
Answer: the rate at and the extent to which a nutrient is absorbed
and used
◉ precursors.
Answer: substances that precede others; with regard to vitamins,
compounds that can be converted into active vitamins; also known
as provitamins
, ◉ fat soluble vitamins.
Answer: A, D,E,K
◉ water soluble vitamins.
Answer: B vitamins, thiamin, riboflavin, niacin, biotin, pantothenic
acid, folate, vitamin B6, vitamin B12, vitamin C
◉ factors that affect bioavailability.
Answer: effeciency of digestion
previous nutrition intake
method of food prep
source of nutrient (synthetic, fortified, naturally occurring)
other foods consumed at the same time
◉ prolonged heat can destroy.
Answer: thiamin
◉ ultraviolet rays can destroy.
Answer: riboflavin
◉ oxygen can destroy.