DIT 121 Final Exam UPDATED Questions and CORRECT Answers
1 keer bekeken 0 keer verkocht
Vak
DIT 121
Instelling
DIT 121
DIT 121 Final Exam UPDATED Questions
and CORRECT Answers
What are phytochemicals? Name an example and explain the benefit. - CORRECT
ANSWER- compounds found in plant-derived foods that have biological activity in the
body
example: carotenoids - acts as antioxidant - may prevent some cancers...
DIT 121 Final Exam UPDATED Questions
and CORRECT Answers
What are phytochemicals? Name an example and explain the benefit. - CORRECT
ANSWER- ✔✔compounds found in plant-derived foods that have biological activity in the
body
example: carotenoids - acts as antioxidant - may prevent some cancers
Name the primary function fat soluble vitamin: A - CORRECT ANSWER- ✔✔-promoting
vision (retinal)
-protein synthesis and cell differentiation (retinoic acid)
-supporting reproduction and regulating growth (retinol)
-maintains the health of epithelial tissues and skin (retinoic acid)
-Antioxidant in the form of beta carotene
Name the primary function fat soluble vitamin: D - CORRECT ANSWER- ✔✔-actually a
hormone
-has binding protein that carries it to another body part to respond
-*bone growth*: assist in the absorption of calcium and phosphorus
-*tissue support*: immune system, brain, nervous system, pancreas, skin, muscle, cartilage
and reproductive organs
Name the primary function fat soluble vitamin: E - CORRECT ANSWER- ✔✔*-antioxidant*
-body's primary defender against the adverse effects of free radicals
>stop the chain reaction of free radicals from producing more free radicals - protects cell
membranes from destruction
-prevents the oxidation of the polyunsaturated fatty acids
-may reduce the risk of heart disease
>protects LDL again oxidation and reducing inflammation
,Name the primary function fat soluble vitamin: K - CORRECT ANSWER- ✔✔*-essential for
blood clotting-*
-essential for the activation of several proteins: prothrombin - made by liver as a precursor of
the protein thrombin
*-bone metabolism of proteins-*
-without vit ___ *osteocalcin* cannot bind to minerals that normally form bones
What is beta-carotene? Where do we find it? Why is it important in the diet? - CORRECT
ANSWER- ✔✔-one of the carotenoids
-orange pigment found in plants
-Vitamin A precursor
-We need vitamin A for healthy skin and mucus membranes, our immune system, and good
eye health and vision.
What is the daily recommended intake of water for adults? - CORRECT ANSWER- ✔✔-8-
12 cups a day (adults)
List the major function trace mineral:
Iron - CORRECT ANSWER- ✔✔-Mostly found in proteins: Hemoglobin /Myoglobin
-Cofactor in oxidation/reduction reactions
-Participates in electron transport chain
-Detoxifies drugs
-Part of tissue enzymes
List the major function of trace mineral:
Zinc - CORRECT ANSWER- ✔✔-required as a cofactor by more than 100 enzymes
-stabilizes cell membranes and DNA
-strengthens antioxidant against free radicals
-assists in immune function and growth/development
-essential to normal taste
-wound healing
-reproductive functions
, List the major function trace mineral: Chromium - CORRECT ANSWER- ✔✔-carbohydrate
and lipid metabolism
-maintains glucose homeostasis by enhancing insulin
What is the DRI for sodium? - CORRECT ANSWER- ✔✔1,500 mg
What enhances nonheme iron absorption from plants? - CORRECT ANSWER- ✔✔-MFP
factor
-Vitamin C
-Acids
-Sugars
When is vitamin/mineral toxicity most likely to occur? - CORRECT ANSWER- ✔✔10x
RDA
What 2 fat soluble vitamins are considered the most toxic? - CORRECT ANSWER-
✔✔Vitamin A and D
Describe the "optimum" vitamin/mineral pill. When are supplements needed? - CORRECT
ANSWER- ✔✔-No more than 100% of the DRI
-Multivitamin/mineral supplement better than single supplements
What vitamin needs an "intrinsic factor" for absorption and why? - CORRECT ANSWER-
✔✔*Vitamin B 12*
-hydrochloric acid and digestive enzyme pepsin release vitamin b12 from the proteins it is
attached to in food
-vitamin b12 passes from the stomach to small intestine and binds to stomach secretions
What is osteoporosis? - CORRECT ANSWER- ✔✔a disease characterized by porous and
fragile bones
Voordelen van het kopen van samenvattingen bij Stuvia op een rij:
Verzekerd van kwaliteit door reviews
Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!
Snel en makkelijk kopen
Je betaalt supersnel en eenmalig met iDeal, creditcard of Stuvia-tegoed voor de samenvatting. Zonder lidmaatschap.
Focus op de essentie
Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!
Veelgestelde vragen
Wat krijg ik als ik dit document koop?
Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.
Tevredenheidsgarantie: hoe werkt dat?
Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.
Van wie koop ik deze samenvatting?
Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper MGRADES. Stuvia faciliteert de betaling aan de verkoper.
Zit ik meteen vast aan een abonnement?
Nee, je koopt alleen deze samenvatting voor €9,76. Je zit daarna nergens aan vast.
