CH. 5 LC QUESTIONS AND CORRECT ANSWERS

CH. 5 LC QUESTIONS AND CORRECT
ANSWERS
LipidsA2thatA2containA2oneA2doubleA2bondA2inA2theirA2structureA2areA2referredA2toA2as:A2-
A2Ans--monounsaturatedA2fattyA2acids.


_____A2isA2theA2densestA2ofA2allA2theA2lipoproteins.A2-A2Ans--
**HDL**A2hasA2theA2greatestA2amountA2ofA2protein.

WhichA2foodA2sourceA2isA2highestA2inA2essentialA2fattyA2acids?A2-A2Ans--Tuna

**TunaA2isA2anA2excellentA2sourceA2ofA2omega-3A2fattyA2acids.**

IdentifyA2aA2benefitA2ofA2consumingA2dietaryA2fatA2inA2yourA2diet.A2-A2Ans--
FatsA2provideA2moreA2satietyA2thanA2carbohydrates.

WhichA2lipoproteinA2isA2madeA2inA2theA2liverA2andA2containsA2veryA2littleA2lipid?A2-A2Ans--
HDLsA2containA2mostlyA2protein.

WhichA2statementA2BESTA2describesA2theA2functionA2ofA2omega-3A2fattyA2acids?
Omega-3A2fattyA2acidsA2canA2formA2bileA2acids.
Omega-3A2fattyA2acidsA2canA2raiseA2bloodA2pressure.
Omega-3A2fattyA2acidsA2canA2raiseA2LDLA2cholesterol.
Omega-3A2fattyA2acidsA2decreaseA2heartA2diseaseA2risk.A2-A2Ans--Omega-
3A2fattyA2acidsA2decreaseA2heartA2diseaseA2risk.

**Omega-3A2fattyA2acidsA2reduceA2bloodA2clottingA2andA2inflammation.**

WhichA2factorA2helpsA2toA2distinguishA2betweenA2fattyA2acids?A2-A2Ans--
theA2lengthA2ofA2carbonA2chains

**TheA2lengthA2ofA2theA2carbonA2chainA2distinguishesA2betweenA2short-chain,A2medium-
chain,A2andA2long-chainA2fattyA2acids.**

WhichA2lipoproteinA2isA2associatedA2withA2"goodA2cholesterol?"A2-A2Ans--HDL

**HDLA2carriesA2excessA2cholesterolA2fromA2theA2cellsA2toA2theA2liverA2andA2isA2associated
A2withA2reducedA2riskA2ofA2cardiovascularA2disease.**


WhichA2ofA2theseA2fattyA2acidsA2canA2beA2directlyA2usedA2toA2synthesizeA2omega-
3A2eicosanoids?A2-A2Ans--eicosapentaenoicA2acidA2(EPA)

**EPAA2isA2directlyA2usedA2toA2synthesizeA2DHAA2byA2addingA2twoA2carbons.**

, EggA2yolksA2areA2addedA2toA2mayonnaiseA2toA2preventA2theA2oilA2andA2theA2water-
containingA2ingredientsA2fromA2separating.A2WhatA2kindA2ofA2moleculeA2inA2eggA2yolksA2h
asA2thisA2effect?A2-A2Ans--phospholipids

**PhospholipidsA2haveA2aA2fatA2solubleA2andA2aA2water-solubleA2end.**

TheA2mainA2functionA2ofA2aA2lipoproteinA2isA2to:A2-A2Ans--transportA2lipidsA2inA2theA2blood.

**LDLsA2transportA2cholesterol,A2whereasA2VLDLsA2transportA2triglycerides.**

WhichA2food(s)A2willA2increaseA2levelsA2ofA2omega-3A2fattyA2acidsA2andA2DHA?A2-A2Ans--
Fish

**fishA2oilsA2areA2linkedA2toA2reducedA2riskA2ofA2Alzheimer'sA2disease

WhichA2partA2ofA2aA2phospholipidA2allowsA2aA2lipoproteinA2toA2beA2transportedA2throughA2t
heA2blood?A2-A2Ans--glycerolA2head

**GlycerolA2isA2water-soluble.**

Pro-inflammatoryA2_____A2isA2elevatedA2dueA2toA2increasedA2consumptionA2ofA2omega-
6A2fattyA2acids.A2-A2Ans--eicosanoidsA2

**Pro-inflammatoryA2eicosanoidsA2areA2synthesizedA2byA2arachidonicA2acid.**

WhereA2doesA2aA2chylomicronA2originate?A2-A2Ans--theA2smallA2intestine

**ChylomicronsA2transportA2dietaryA2fatsA2duringA2absorption.**

WhatA2characteristicA2ofA2lipidsA2isA2uniqueA2toA2phospholipids?A2-A2Ans--
TheyA2containA2aA2phosphateA2group.

**OnlyA2oneA2lipidA2categoryA2containsA2aA2phosphateA2group.*

WhichA2statementA2BESTA2describesA2theA2processA2ofA2lipidA2digestion?
TriglyceridesA2areA2brokenA2downA2intoA2fattyA2acids,A2emulsifiedA2withA2bile,A2andA2thenA2
absorbedA2byA2theA2mucosalA2cell.
TriglyceridesA2areA2packagedA2intoA2chylomicronsA2andA2thenA2brokenA2downA2byA2lipase
s.
TriglyceridesA2areA2absorbedA2byA2theA2liver,A2packagedA2withA2bileA2acidsA2inA2theA2gallbl
adder,A2andA2thenA2releasedA2intoA2theA2smallA2intestine.
TriglyceridesA2areA2absorbedA2wholeA2byA2theA2body.A2-A2Ans--
TriglyceridesA2areA2brokenA2downA2intoA2fattyA2acids,A2emulsifiedA2withA2bile,A2andA2thenA2
absorbedA2byA2theA2mucosalA2cell.

**TriglyceridesA2mustA2beA2emulsifiedA2andA2brokenA2downA2forA2absorptionA2toA2occur.**