Revision Examination Tests
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Vitamins and Minerals
TEST 2024-2025 ACTUAL EXAM COMPLETE 200-
QUESTIONS AND CORRECT DETAILED ANSWERS
Quiz vitamin differences
Ans: individuals units
do not yield energy
intake in small amounts
Quiz vitamin similarities
Ans: essential
organic
available from foods
Quiz bioavailability
Ans: how easily it is obtained
depends on:
digestion efficiency
nutrition status
food preparation method
source
other food intake
Quiz precursors
Ans: provitamins
converted in body into active form
Quiz organic nature
Ans: vulnerable to destruction
food storage and processing
unique vulnerability
,Quiz common nutrient losses
Ans: o2
water
sunlight
Quiz solubility
Ans: water soluble - B vitamins & vitamin C
fat soluble - DEKA
Quiz water soluble
Ans: watery foods
absorbs directly into blood
freely circulate in body water
excreted easily
consistent intake
Quiz fat soluble
Ans: fats and oils in foods
absorbed into lymphatic system
stored in fatty tissue and liver until needed
more likely toxicity
can eat large amounts at once
Quiz toxicity
Ans: more is NOT better
supplementation - bad
unlikely toxic food sources
DRI & UL
Quiz B vitamins
Ans: do not yield energy
critical for energy metabolism
are coenzymes and have helper roles
Quiz thiamin (B1)
Ans: coenzyme TTP
assists in energy metabolism
pyruvate to Acetyl CoA
Quiz thiamin intake
Ans: men: 1.2 mg
, women 1.1 mg
Quiz thiamin food sources
Ans: whole/enriched grains
legumes
soy milk
pork
Quiz thiamin destruction
Ans: destroyed by prolonged cooking/heat
Quiz thiamin deficiency
Ans: dry beriberi
wet beriberi
Quiz riboflavin (B2)
Ans: coenzyme in energy metabolism
FMN & FAD
Quiz riboflavin intake
Ans: men: 1.3 mg
women: 1.1 mg
Quiz riboflavin food sources
Ans: milk products
whole/enriched grains
liver
Quiz riboflavin destruction
Ans: destroyed by UV light and irradiation
Quiz riboflavin deficiency
Ans: combined with other deficiencies
ariboflavinosis
Quiz niacin (B3)
Ans: coenzyme in energy metabolism
NAD & NADP (transfer H+/e-)
Quiz niacin food sources