100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
NUSCTX 10 Midterm 3 Exam Questions with 100% Correct Answers | Verified | Latest Update $14.99   Add to cart
Quickly navigate to
Preview
  2.  
  3. NUSCTX
  4.  
  5. NUSCTX

Exam (elaborations)

NUSCTX 10 Midterm 3 Exam Questions with 100% Correct Answers | Verified | Latest Update
 4 views  0 purchase
  • Course
  • NUSCTX
  • Institution
  • NUSCTX

NUSCTX 10 Midterm 3 Exam Questions with 100% Correct Answers | Verified | Latest Update NUSCTX Exam Questions 2024 NUSCTX Exam Answers 2024 NUSCTX Exam NUSCTX Exam 2024 Questions And Answers Pdf Download NUSCTX Exam 2024 Questions NUSCTX Exam 2024 Answers NUSCTX Exam 2024 Pdf Download Free NUSCTX ...

[Show more]

Preview 4 out of 47  pages

Document information

  • October 5, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • nusctx 10 midterm 3 exam questions with 100 corre
  • overview of the digestion and absorption of vitami
  • lipid digestion and absorption
  • lipid transport from the small intestine
  • dietary factors that increa

Written for

  • NUSCTX
  • NUSCTX

Seller

avatar-seller
professoraxel

Reviews received

Content preview

NUSCTX 10 Midterm 3 Exam Questions with
100% Correct Answers | Verified | Latest
Update

overviewiofitheidigestioniandiabsorptioniofivitaminsi-iCorrectiAnswer-
1.iallivitamins:idigestiveiprocessiinitheistomachibeginitheireleaseiofivita
minsifromifoodi
2.iallivitamins:idigestiveienzymesiproducedibyitheipancreasiandiinitheire
leaseiofivitaminsiandifoodi(firstiputiintoiformithatiisibioavailable)
3.ifatisolubleivitaminsionly:ibileiproducediinitheiliveri(andistorediinitheig
all-balder)iaidsiinifat-solubleivitaminiabsorptioni
4.ifatisolubleivitaminsionly:ifat-
solubleivitaminsiareiabsorbediinitheismalliintestine,ialongiwithidietaryif
atiandicarriedibyichylomicronsiintoitheilymphaticicirculationi(piggyibacki
onilipidsipackageditoigetithroughiaqueousienvironment)i
5.iwaters-solubleivitaminsionly:iwater-
solubleivitaminsiareiabsorbediinitheismalliintestineiandireleasedidirectl
yiintoitheibloodithroughihepaticiportalicirculationi(noispecialipackagingi
needed)
5.ivitaminiKionly:ismalliamountsiofiKiareimadeibyibacteriaiinitheiiliumiofi
theismalliintestineiandiinitheilargeiintestine


lipididigestioniandiabsorptioni-iCorrectiAnswer--
initheismalliintestine,itheiproductsiofifatidigestioniandibileiacidsiformimi
celles,iwhichimoveicloseienoughitoitheimicrovilliitoiallowilipidsitoidiffus
eiintoitheimucosalicells

,-
insideitheimucosalicells,ifattyiacidsiandimonoglyceridesiareireassemble
diintoitriglyceridesiandiincorporatediintoilipiditransportiparticles,iwhichi
enteritheilymph


lipoproteini-iCorrectiAnswer--
transportilipidsiandicholesteroliinitheibloodi
-
containsitriglyceridesiandifreeicholesterol,iprotein,iphospholipids,ichol
esterolibonditoifattyiacids
-vitaminiA:iputitogetheriasiaitriglyceridei(initheicore)i
-ifiyouihaveidiseaseilikeiceliacithatidoesn'tiallowiabsorptioniofilipidsi--
>iVitaminiAideficiencyiifiitsitieditoiabsorptioni


lipoproteinsi(lipidsiinitheibloodicirculation):i
-VLDL:ideliversifattyiacidsimadeibyiliver
-IDL:ideliversifattyiacidsimadeibyiliveri
-LDL:ideliveryioficholesteroli
-
HDL:ipickingiupi(scavenging)iexcessicholesterolifromicellsiforideliveryiba
ckitoitheiliveri
-Chylomicrons:ideliveryiofifattyiacids


lipiditransportifromitheismalliintestinei-iCorrectiAnswer-
1.ichylomicronsiformediinitheimucosalicellsipassifirstiintoitheilymph,iwhi

,chidrainsiintoitheiblood.iTheyicirculateiinitheiblood,ideliveringitriglyceri
desitoibodyicells.i
2.iTheienzymeilipoproteinilipaseiwhichiisipresentionitheisurfaceioficellsili
ningitheibloodivessels,ibreaksidownitheitriglyceridesiinichylomicronsiint
oifattyiacidsiandiglycerol.iTheseicanithenienteritheisurroundingicells.i
4.iVLDLsiareimadeiinitheiliverianditransportilipidsiawayifromitheiliver.iTh
eyifunctionisimilarlyitoichylomicronsibecauseibothiparticlesideliveritrigl
yceridesitoibodyicellsiwithitheihelpiofitheienzymeilipoproteinilipase
6.iToidelivericholesterol,iLDLiparticlesibinditoiLDLireceptorsiinitheicellime
mbrane.iThisiallowsitheiLDLiparticleitoienteritheicell,iwhereitheicholeste
roliandiothericomponentsicanibeiused.i
7.iHDLiparticlesipickiupicholesterolifromiotheri
lipoproteinsiandibodyicellsiandireturniititoitheiliver.iSomeiofithisicholest
eroliisibrokenidowniandisomeiisitransferreditoiorgansiwithihighirequire
mentsiforicholesterol,isuchiasithoseithatisynthesizeisteroidihormones.


ketonesi-iCorrectiAnswer--
usediforienergy:iconvertedibackitoiacetyliCoAiandienteriTCAicycle,ibraini
canirunionienergyifromiketonesibutican'tirunionlyioniketonesi(stillineedig
lucoseifromidietioribreakingidowniproteins),iandiketonesispareiprotein
-ketonesilostiiniurineiandibreathi(fruityibreath)
-inefficientiuseiofienergy


dietaryifactorsithatiincreaseiriskiassociatediwithifatiintakei-
iCorrectiAnswer--cholesteroli


-saturatedifat

, -transifat
-sodium
-excessienergy
-excessisugar


fatisolubleivitaminsi(FSV)i-iCorrectiAnswer--vitaminsiA,D,E,K
-hydrophobic/lipophilic
-storageiinicellsiassociatediwithifat
-riskiofitoxicityiisigreater


1.iFSVi+ifati+ibileiacidsi=imicelles
2.iAbsorbedibyienterocytesiiniSIiandipackagediintoichylomicrons
3.ichylomicronsiareicirculatedithroughilymph,ithenibloodibeforeireachin
githeiliver
4.istorediinifatioriattacheditoitransportiproteinitoicirculateiiniblood


RolesiofiVitaminiAiinitheibodyi-iCorrectiAnswer-
1.ivisioni(worksiatiDNAilevel)i
2.iSkin,itrachea,iepithelialidifferentiation,iimmuneifunction,ithymusilym
phoidiorgansi
3.ireproductionispermato-
genesisiandireproductioniembryonalidevelopment

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller professoraxel. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

62890 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$14.99
  • (0)
  Add to cart