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KINE 4020 (29)
Chapter 4

Chapter 4

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Department
Kinesiology & Health Science
Course
KINE 4020
Professor
Roger Kelton
Semester
Winter

Description
Enriched Instructors Manual to Accompany Understanding Nutrition First Canadian Edition 41Chapter 4The Carbohydrates Sugars Starches and FibresIFNOTHINGELSEMYSTUDENTSSHOULDLEARN1ThedifferencebetweensimpleandcomplexcarbohydratesasthesedietarysourceswillhavedifferenteffectsonhumanphysiologyThesimplecarbohydratesincludethemonosaccharidesglucosefructoseandgalactoseandthedisaccharidessucroselactoseandmaltoseThecomplexcarbohydratesincludethepolysaccharidesglycogenstarchandfibres2TheprocessinwhichdietarycarbohydratesarebrokendowniedigestedandabsorbedintoourcardiovascularsystemandtissuesThisformsthebasisofmanydietaryinterventionsinvolvingcarbohydratesandischaracterizedbyafoodsglycemicindexForinstanceingestingsimplecarbohydrateswillcausethepancreastosecreteinsulinfasterwhichhasbeenimplicatedasacauseunderlyingthedevelopmentofvariousconditions3ThattheingestionoffibreisveryimportantforoverallhealthSolublefibrecanlowertheriskofheartdiseaselowertheriskofdiabetesandmayhelpwithweightmanagementInsolublefibreisimportantforthegastrointestinaltractalleviatingconstipationandloweringtherisksofdiverticulosishemorrhoidsandappendicitis4ThattherearetwotypesofdiabetesmellitusTypeIandTypeIIBothtypesarecharacterizedbyabnormallyhighlevelsofglucoseintheurineandcardiovascularsystemandarecausedbythebodysinabilitytoregulateglucosePeoplewithTypeIdiabetescannotproduceinsulinandrequireitbyinjectionTypeIIdiabeticsmaybeabletoregulatetheirbloodsugarthroughlifestyleinterventiondietandexercisehoweversomemayneedadditionalinsulinLEARNINGOBJECTIVESStudentsshouldbeabletoLO41DescribethestructuraldifferencebetweensimpleandcomplexcarbohydratesandidentifyfoodsourcesUnderstandApplyLO42UnderstandwhycarbohydratesareanessentialmacronutrientthatisrecommendedtomakeupthemajorityofapersonsAMDRRememberCopyright2013 by Nelson Education LtdEnriched Instructors Manual to Accompany Understanding Nutrition First Canadian Edition 42UnderstandLO43ExplainhowcarbohydratesaredigestedandabsorbedinthebodyUnderstandRememberLO44ExplainthetermglycemicindexhowitmayrelatetodietplanningandidentifyfoodsourceswithdifferentvaluesUnderstandApplyLO45OutlinethedifferentmetabolicpathwaysinwhichthebodyhandlescarbohydratesUnderstandRememberLO46Definediabetesmellitusandidentifythetwomajortypesietype1andtype2UnderstandRememberLO47DescribethehealtheffectsofconsuminglargequantitiesofsugarinonesdietandidentifythedifferenttypesofalternativesweetenersUnderstandApplyLO48SummarizethedifferenttypesofdietaryfibreiesolubleandinsolubleandhowtheycontributetohumanhealthUnderstandApplyWHYISTHISCHAPTERIMPORTANTTOSCIENTISTSANDHEALTHCAREPRACTITIONERSOfspecialinteresttosymbolkeyHealthCarePractitionersScienceMajorsScientistshaverecentlydiscoveredthatsugarshaveadditionalrolesinthebodybesidesthatofenergyprovisionandtheroleoffibreinthebodyResearchisnowunderwaytounderstandtheroleandphysiologicaleffectsofwhensugarmoleculesareattachedtovariouscellsandothermoleculesegfatandproteinIndividualswhoconsumehighfibredietsgenerallyhavelowerratesofcoloncancercomparedtothosewhoconsumelowfibredietsScientistsareinvestigatingthewaysthatfibrecanprotectagainstcoloncancerTheglycemicindexisameasureofbloodglucoseresponsetofoodsrelativetotheresponsetoastandardfoodTheglycemicloadistheproductoftheglycemicindexmultipliedbythecarbohydratecontentofafoodNutritionalscientistsarebecomingincreasinglymoreconcernedwiththeglycemicindexandglycemicloadofallofthenewfoodproductsthatareenteringthemarketTheyalsoaremakingeffortstoensurethatmanufacturersadjustthecarbohydratecontentoffamiliarfoodsiftheyarereformulatedCopyright2013 by Nelson Education Ltd
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