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5.0
NUTRITION 331 FINAL EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
Quiz: Vitamin D Name
Ans: Cholecalciferol
Quiz: Vitamin D Functions (3)
Ans: Increases calcium levels (increases Ca from intestines-specific carrier
protein, Increase Ca reabsorption from kidney tubules, Increase Ca
removal from bones)
Works with Parathyroid Hormone
ACTS LIKE A HORMONE (metabolic/ neuromuscular functions)
Quiz: Vitamin D Deficiency Symptoms(3)
Ans: Rickets, legs bow in (valgus deformity), legs bow out (varus
deformity), rachitic rosary (beads along ribs) (swelling of rib joints),
osteomalacia (adults)
Quiz: Vitamin D Deficiency Prevelance (11)
Ans: Elderly (ability to convert D to active form decreases), Dark skinned
(make less), limited sun exposure, clothing, vegan, obesity,
malabsorption disease (Crohn's, CF, lactose intolerance),
corticosteroids, BF infants, UK doesn't fortify milk, soy milk drinkers,
location (smog)
, Quiz: Vitamin A Functions (7)
Ans: Visual cycle (rhodopsin), reproduction, cell differentiation (retinoid
acid acts as a hormone) (mature keratinocytes) (maintenance of
epithelial tissues), growth, bone development, immune function,
antioxidant
Quiz: Vitamin A Deficiency (7)
Ans: night blindness (nyctalopia), bumpy skin ( follicular hyperkeratosis),
drying of mucous membranes (bitot's spots, xerosis) (eyes), loss of
senses, reproductive failure, anemia, suppressed immune function
Quiz: Vitamin A Toxicity (7)
Ans: polar bear liver, elderly, drowsiness, headache, bone pain, blurred
vision, peeling skin, flaking around mouth
Quiz: Vitamin E Functions (2)
Ans: Cellular membrane (protects against oxidation & RBC flexibility),
Helps to neutralize free radicals that can cause damage
Quiz: Vitamin E Deficiency (4)
Ans: Erythrocyte hemolysis, anemia, loss of muscle coordination & reflexes
(RARE--> unless CF or severe problems digesting fat & fat soluble
vitamins)
Quiz: Vitamin E Toxicity
Ans: Increase bleeding tendencies
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