100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Exam (elaborations)

B4 Pharmacology Exam 1 2024/2025 | Complete Q&A with Verified Answers | A+ Study Guide

Rating
-
Sold
-
Pages
41
Grade
A+
Uploaded on
31-07-2025
Written in
2024/2025

Master B4 Pharmacology Exam 1 with this fully updated 2024/2025 study guide, featuring real exam questions and 100% verified answers. Covers key pharmacological concepts including drug classifications, mechanisms of action, side effects, nursing implications, and medication safety. Ideal for students in the B4 nursing/pharmacology track preparing for Exam 1. Clearly organized, easy to follow, and graded A+ for performance and accuracy.

Show more Read less
Institution
Pharmacology
Course
Pharmacology











Whoops! We can’t load your doc right now. Try again or contact support.

Written for

Institution
Pharmacology
Course
Pharmacology

Document information

Uploaded on
July 31, 2025
Number of pages
41
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

Content preview

B4 Pharm Exam 1
How ohyperlipidemia oleads oto oheart ofailure o- ohyperlip o--> oathero o--> oCHD o(ie. oangina,
oMI) oand/or oHTN o--> oheart ofailure


Classes oof oAntihyperlipidemic oDrugs o- o- oHMG-CoA oreductase oinhibs o(statins)
- Bile oacid osequestrants
- Chol oabsorp oinhibs
- Fibrates
- Niacin
- Others oincl oPCSK9 oinhibs, oHDL oelevs, oHoFH

Lipoprotein o- otransp oform oof olipids omade oup oof olipids+prots osince olipids oinsol oin
oplasma


Chylomicrons o- olipoprot osynth oin ointest omade oof odietary o(exog) oTGs+chol; omost
oimp oapoprot o= oApoB-48


VLDL o- olipoprot osynth oin oliver omade oup oof oendog/hep oTGs; omost oimp oapoprot o=
oApoB-100


IDL o- olipoprot osynth ofrom oVLDL ocatab omade oup oof ochol oesters+endog oTGs; omost
oimp oapoprot o= oApoB-100


LDL o- olipoprot osynth ofrom oVLDL ocatab oexpr oin oliver+intest, omade oup oof ochol
oesters; omost oimp oapoprot o= oApoB-100


HDL o- olipoprot osynt oin ointest, oliver, oplasma omade oup oof ophospholips+chol oesters;
omost oimp oapoprot o= oApoA


LDL ostructure o- ocore oof ochol oesters o+ oouter olayer oof oApoB-100, ophospholipids,
ofree ochol omols


Relationship oof oLipoprotein oSize o& oDensity o- olargest olipoprot o(chylomicrons) ohas
olowest odensity; ohighest odens o= oLp(a) o& oHDL


Exogenous oPathway oof oLipid oMetabolism o- o1). oDiet oTGs+chol oincorp ointo olarge
ochylomic olipoprots
2). Chylomics ohydr oby oLPL oon oendoth osurf oadip+musc, ocleaving oFAs ofrom oTGs
3). Chylomic oenters ocirc oas opredom ochol o(chylomic oremnant)
4). Chylomic oremnant ointo oliver oby orec-med oendocyt

Endogenous oPathway oof oLipid oMetabolism o- o1). oLiver osecr oTGs+chol oin oVLDL
oform, ometab oby oLPL o--> oIDL
2). Chol odens oin oIDL oincr ountil oLDL oform
3). LDL ointo oliver/periph otiss oby oLDLR oor oaccum oin oBVs o(athero)
4). HDL oprom ochol orem ofrom operiph ocells, otx oto oapoprot o--> odeliv oback oto
oliver ofor ometab/excr

,B4 Pharm Exam 1
Pathogenesis oof oAtherosclerosis o- oLDL omigr ointo oBV ointima, obind oproteoglycans o-->
ooxid/glycosylated o--> oaldehyde ointermeds ofragmenting oApoB-100
- endoth odam o--> omac oinvasion o--> oendoth+mac oGFs ostim osm omusc omigr oto otun
oint o(sm omusc ohyperpl) o--> ooxLDL oaccum oin omacs o(foam ocells)+musc ocells o-->
ocoll+el ofibs ointo oCT omatrix oforming osubendoth ofibr oplaque


Role oof oHyperlipidemia oin oCVD o- omajor oCHD oRF oincl oac oMI, oac+chron oIHD,
oangina opectoris, oathero oCVD
- gen+EVRal ofacs oincr oserum olipoprot olev
- athero o= opredom oMI ocause oby oturb obl oflow oaround ocor oart oplaque oprod ooccl
othrombus


Antihyperlipidemic oDrugs ofor oTreatment oof oHypercholesterolemia o- o- oHMG-CoA
oReductase oInhibs o= oAtorvastatin, oLovastatin, oPravastatin, oSimvastatin, oFluvastatin,
oPitavastatin, oRosuvastatin
- Bile oAcid oSequestrants o= oColestipol, oCholestyramine, oColesevelam
- Chol oAbsorp oInhibs o= oEzetimibe

Antihyperlipidemic oDrugs ofor oTreatment oof oHyperTG o- o- oFibrates o= oGemfibrozil,
oFenofibrate, oFenofibric oAcid
- Niacin

Statins oin oorder ofrom oleast oLDL-lowering oto ogreatest oLDL-lowering o- o- oFluvastatin
- Lovastatin
- Pravastatin
- Simvastatin
- Pitavastatin
- Atorvastatin
- Rosuvastatin

MOA o& oPharm oConsequences oof oHMG-CoA oReductase oInhibitors o- o- oMOA o= oinhib
oHMG- oCoA oreduc oconv oHMG-CoA oto omevalonic oac oin ochol obiosynth o(rate-lim
ostep)
- inhib oHMG-CoA ored o--> odecr ochol osynth ow/in ocell o--> oupreg oLDLR osynth o-->
oincr ouptake oLDL ofrom obl, odecr oserum oLDL, odecr oVLDL osecr oby oliver oby olack
oraw omats ofor oVLDL osynth


Overall oPharmacological oEffects oof oStatin oTreatment oon oLipids o- o- odecr oLDL-C
- decr oVLDL-C
- incr oHDL-C oin osome opts oby oincr oApoA-1 osynth
- decr oserum oTG oby odecr oVLDL-C
- Atorv, oLova, oPrava, oSimva o--> odecr ofat+non-fat oCHD oev, odecr ostroke, odecr ototal omort

Mode oof oexcretion ofor omost ostatins o- obiliary/fecal oexcr

Examples oof olong-acting ostatins o- o- oAtorvastatin o(t1/2 o= o14 ohr o--> oonce-daily odose)
- Rosuvastatin o(t1/2 o= o19 ohr o--> oonce odaily odose)
- Pitavastatin o(t1/2 o= o12 ohr)

,B4 Pharm Exam 1
Why odoes oPravastatin opresent owith oless oAEs oand oDIs othan oother ostatins? o- olow
oprot obinding o& odoes oNOT oreq oCYP450 oenz ofor ometab o--> olow oint ow/ oother
odrugs/body oprots o& oexcr olargely ounchanged ofrom oparent ocomp


Beneficial oCV oEffects oof oStatins o- o- oendoth ofunc oimprov
- incr oathero oplaque ostab o(ie. obefore osurg)
- anti-infl
- lipoprot ooxid oinhib
- anticoag oby oplt oaggreg+plt othrombi oinhib

Statins ow/ ogreatest oeffects oon oTGs o(used ofor oMixed oHyperlipidemia) o- o- oAtorvastatin
- Rosuvastatin

Use oof oAtorvastatin+Amlodipine o(Caduet) o- oAmlodipine o= oCa2+ ochann oblocker o(vasodil)
- combo ofor oHTN/angina o+ ohyperchol

Statins ofor otreatment oof ochildren ow/ oHeterozygous oFamilial oHypercholesterolemia
o(LDLR odefect) o- o- oAtorvastatin
- Lovastatin
- Simvastatin
- Pravastatin

Potential onon-CV ouses oof ostatins o- o- oClin oTrials o= omaybe oprot oag oosteop, ocancer
- recent ofindings othat oboost oerec ofunc

AEs o& oCIs oof oStatins o- o- oAEs o= oGI o(cramps, oconstip, odiarr, oheartburn) omost
ocomm; oliver otox; oRHABDOMYOLYSIS o= opot ofat ostat-ind omyop oby ocell omemb
ocomp o+ oelec oprops oalterations o--> odiscont ostatin oif ooccurs
- CIs o= opreg+nursing owomen ob/c ochol osynth onec ofor ofet ogrowth

DIs oof oStatins o- o- ocaution ow/ ofibric oac oderivs ob/c ocan oalso ocause omyops
- Erythromycin o& oItraconazole o--> oinhib ostatin ometab o--> oincr oAEs olike omyop
- decr ometab/incr olevels oof oCYP450 osubstrates o(Warfarin)

Effects oof oStatin-Induced oRhabdomyolysis oon oKidneys o- ostatins oalter omusc ocell
omemb ocomp o--> oweak omyocytes o--> omusc oprot oleak o--> odecr oelec oprops o&
olodging oprots oin okidney o--> oac okidney ofail


Examples o& oMOA oof oBile oAcid oSequestrants o(binding oresins) ofor
oHypercholesterolemia o- oincl oCholestyramine, oColestipol, oColesevelam
- MOA o= olarge omol owt opolyms obinding ogut obile oac, oexcr oin ofeces oblocking
oenterohep obile oac ocycling o(BAS otoo olarge ofor oliver oabsorp) o--> omore oliv ochol
oused ofor oBA osynth o--> oupreg oliv oLDLR o--> odecr oLDL-C

, B4 Pharm Exam 1
Therapeutic oUses, oAEs, oDIs oof oBile oAcid oSequestrants o- o- oUses o= omod oeffec
ohyperchol otreatement o(red oLDL-C obut omay oincr oTG+VLDL), ooften ocombo ow/ ostatins;
otreatment odiarr+itching ocaused oby oexcess oBAs o(BAs obind oelectros oto oabsorb oin
ointest+stool)
- AEs o= ogen owell-tol, omild oGI osx, oskin orash
- DIs o= obind odigoxin, othyroxin, owarfarin; oVit oK omalabs o--> oprolonged
oprothrombin otime o(decr oclotting)


MOA on& onPK onof onEzetimibe on- on- onMOA on= onchol onabsorp oninhib onby onsel oninhib
onNPC1L1 onchol ontransp o prot onbrush onbord oncells, ondecr onchol ontransp onfrom onmicelles
oninto onenteros onby o on50% onw/o onred onTG/fat-nsol onvit onabsorp
- single ondaily ondose on--> ondecr onLDL on15-20% on+ onTG on8%, onincr onHDL on3%
- esp oneffec onin oncombo onw/ onstatin
- PK on= onrap onabsorb onfrom onintest onafter onor onadmin, onmetab onin onintest+liver
onforming o onezetimibe- o glucuronide onconjug on(highly onwater-sol onby ongluc onac,
onbetter onexcr); onenterohep oncirc onw/ ont1/2 on= on22nhrs


Therapeutic onUses on& onAEs onof onEzetimibe on- on- onUses on= onmost oncomm onnonstatin
o onagent onfornlowering onLDL; onalone/combo onw/ onstatins onfor onhyperchol ontreatment
- Ezetimibe+Simvastatin on(Vytorin) on= on60% onLDL onred onfor onhomoz onfam onhyperchol
- AEs on= ongen onwell-tol onbut onsome onimpair onliv onfunc, ondyspepsia, onmyalgia, onrare onmyop,
onHA


Use onof onBile onAcid onSequestrants onif onHigh onTGs on- onBA onseqs onred onLDL-C onby on15-
30% o onbut onnot onabsnso onno onsyst oneffects, onbut onassoc onw/ onGI onsx on(constip) on& oncan
oncause onsev o onhyperTG onif onfasting onTG o 300+


Examples on& onActions onof onFibrates on(fibric onacid onderivatives) on- onincl onGemfibrozil, o
onFenofibrate,nFenofibric onAcid
- ndecr onTGs on(40-50%), ondecr onLDL-C on(10%), onincr onHDL-C on(10-20%)

MOA onof onFibrates onfor onLowering onVLDL-TGs on- onbind+activ onPPAR-alpha
on(peroxisome o onprolif o activ onrec onalpha) on--> onincr onLPL onexpr, ondecr onApoC-III on(LPL
oninhib) onexpr on--> onincr oonhydr+rem onVLDLnTGs on& onchylomic onTGs on--> ondecr
onplasma onTGs
- also onactiv onPPAR-alpha on--> onincr onexpr onFA onoxid onenz on--> ondecr onTG onsynth

MOA onof onFibrates onfor onLowering onLDL-C on& onIncreasing onHDL-C on- onactiv onPPAR-
alpha o on--> onincrnliver onLDLR onexpr on--> onincr onLDL onuptake onby onliver on--> ondecr
onLDL-C
- also onactiv onPPAR-alpha on--> onincr onFA onoxid on--> ondecr onTG onsynth on--> ondecr
onVLDL oonform on--> ondecrnLDL onform on(prod onof onVLDL onby onliver)
- activ onPPAR-alpha on--> onincr onApoA-I on& onApoA-II onsynth on(HDL oncomps) on--> onincr
onHDL oonform on-->nincr onHDL-C


Therapeutic onUses, onAEs, onDIs onof onFibrates on- on- onUses on= onprim onfor onhyperTG on&
onHDL o ondef; onalso onforncomb onhyperchol on& onhyperTG
- AEs on= onGI onsx, onmyops on(rhabdo), onincr onrisk oncholelithiasis
- DIs on= oncomb onw/ onstatins on(Rosuva, onPrava) onfor oncomb onhyperlip/decr onHDL

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
Higradesstuvia Massachusetts Institute Of Technology
View profile
Follow You need to be logged in order to follow users or courses
Sold
29
Member since
10 months
Number of followers
2
Documents
827
Last sold
2 days ago
HIGH GRADES DOCS

High Grades Docs – Your trusted source for clear, accurate, and exam-ready study materials. We provide well-structured summaries, detailed notes, practice questions, and updated guides to help you learn faster, score higher, and stay ahead in every course. Quality, clarity, and top grades — all in one place.

4.8

13 reviews

5
11
4
2
3
0
2
0
1
0

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions