Midterml Exam:l BIOl 319/l BIO319l
(Latestl 2025/l 2026l Update)l Appliedl Nutritionl Guide|l Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solutions)-l GCU
Q:l Rolel ofl lipidl inl thel body
Answer:
Energyl reservel -Insulatesl tol preventl lossl ofl bodyl heatl -Regulatesl bodyl functionsl ol Celll membranel structurel &l activityl ol Precursorl ofl hormone-likel substancesl (eicosanoids).
Q:l Fatl Digestionl andl absorption
Answer:
startsl mainlyl inl thel smalll intestine bilel pullsl fatl intol thel waterl enzymel attachesl tol thel fatl tol beginl digesting brokenl intol freel fattyl acidsl andl cyceral absorbedl intol thel cellsl ofl thel smalll intestine
putl intol al Phospholipid:l chylomicron
entersl lymphl thenl tol thel blood
Q:l Phospholipid:l chylomicron
Answer: 1 / 3
Busl thatl takesl largel amountsl ofl fatsl intol thel lymphl thenl thel bloodl andl dropsl offl thel fatsl tol wherel theyl needl tol gol inl thel body
-Transportl dietaryl lipidsl (mostlyl triglycerides)l froml thel smalll intestinel tol thel restl ofl thel bodyl (vial lymphl system).l -Cellsl removel triglyceridesl froml chylomicronsl asl theyl passl by,l sol theyl getl smallerl andl smaller.l -Oncel TGl arel depleted,l onlyl fewl remnantsl ofl protein,l cholesterol,l andl phospholipidsl remain.l -Liverl removesl chylomicronl remnantsl froml blood.
Q:l Phospholipid:l HDL,LDL,VLDL
Answer:
smallerl transportationl likel al taxil thatl movesl fatsl wherel theyl needl tol gol inl thel body:
LDL-l lowl densityl lipoproteinsl (bad)l (dropl offl fat) VLDL-l veryl lowl densityl lipoproteinsl (dropl offl fat) HDL-l highl densityl lipoproteinsl (good)l (pickl upl fatl froml arteriesl andl returnl tol liver)
Q:l Fatl intakel recomendations
Answer:
Totall Fatl <35%l totall kcalsl Saturatedl Fatl <10%l totall kcalsl PUFAl (Polyunsaturated)l 3l tol <10%l totall kcalsl MUFAl (monounsaturated)l >10%l totall kcalsl Cholesteroll <300l mg/day
Q:l howl tol lowerl LDL
Answer:
Reducel cholesteroll intakel 2 / 3
Eliminatel transl fatsl Increasel omega-3l Increasel fiberl Physicall Activity
Q:l Howl tol increasel HDL?
Answer:
Exercisel Increasel Fiberl Increasel Fruit/Vegetablel consumptionl Smokingl cessation
Q:l whatl isl thel Mederteranianl diet?
Answer:
Highl inl omega-3/omega-6l Highl inl fiberl Highl inl poly/monounsaturatedl fats
itl preventsl cardiovascularl disease
Q:l Whatl arel thel 9l essentiall aminol acids?
Answer:
histidine,l isoleucine,l leucine,l lysine,l methionine,l phenylalanine,l threonine,l tryptophan,l valine
Q:l aminol acidl structure
- / 3