Actual Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success | Newest Exam | Just Released!
what is vitamin D synthesized from - ANSWER-cholesterol
fortification factor to determine a dietary folate equivalent (DFE)
- ANSWER-1.7
Riboflavin is most easily destroyed when exposed to -
ANSWER-light
______ is characterized by for 4 D's - ANSWER-pellagra
vitamin B12 requires ____ to be properly absorbed - ANSWER-
intrinsic factor
what B vitamins are associated w lowering homocysteine
levels in the blood? -
ANSWER-B12, B6,
folate
what form of vitamin A is involved in vision - ANSWER-retinal
,what substance is required for digestion and absorption of fat-
soluble vitamins -
ANSWER-bile and
dietary fat
vitamin D deficiency syndrome characterized by bone
deformities in children is
called: - ANSWER-
rickets
the primary function of vitamin E - ANSWER-act as an
antioxidant
vitamin K is required to produce prothrombin, which is needed
for: - ANSWER-
blood
clotting
which vitamin is referred to as the sunshine vitamin - ANSWER-
vitamin D
what is a solvent - ANSWER-fluid in which solutes dissolve to
form a solution
what does water transport - ANSWER-- oxygen and
nutrients to cells
- CO2 and waste products away
from cells
,- hormones and regulatory molecules
throughout the body
how is urea formed - ANSWER-proteins -> amino acids -> NH2
removed thru
deamination -> forms ammonia -> + CO2
=> urea
how does water provide lubrication and protection -
ANSWER-- eyes: tears
wash away
dirt
- joints: synovial
fluid
- mouth:
saliva
- protects against shock in eyes, spinal cord, amniotic
fluid for fetus
how does water regulate temperature - ANSWER-- inc or dec
amount of heat
lost from surface of body thru dilation/ constriction of
blood vessels
- sweating (cooling
mechanism)
leading causes of death attributed to nutrition - ANSWER-heart
disease, cancer,
, stroke
during the process of digestion/absorption, _______ vitamins
are mixed together w other lipids in micelles and transported to
cells via chylomicrons - ANSWER-fat soluble
toxicity risk is higher for _______ vitamins due to longer storage
- ANSWER-fat
soluble
form of vitamin A circulating in blood - ANSWER-retinol
form of vitamin A involved in gene expression - ANSWER-
retinoic acid
form of vitamin A active as an antioxidant - ANSWER-
carotenoids
______ vitamins take longer to develop a deficiency - ANSWER-
fat soluble
______ vitamins can be excreted in urine while ______
cannot - ANSWER-
water soluble, fat
soluble
_______ vitamins have an increased risk for toxicity - ANSWER-
fat soluble