RN Pharmacology LATEST 2025/2026 ACTUAL EXAM 242 QUESTIONS AND ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+

RN Pharmacology LATEST 2025/2026
ACTUAL EXAM 242 QUESTIONS AND
ANSWERS WITH RATIONALES
(VERIFIED ANSWERS) |ALREADY
GRADED A+
Arproviderrprescribesrphenobarbitalrforrarclientrwhorhasrarseizurerdisorder.rThermedicationrhasrarlo
ngrhalf-
liferofr4rdays.rHowrmanyrtimesrperrdayrshouldrthernurserexpectrtoradministerrthisrmedication?



A.rOne



B.rTwo



C.rThree



D.rFourr-rCORRECTrANSWERSrA.rMedicationsrwithrlongrhalf-
livesrremainratrtheirrtherapeuticrlevelsrbetweenrdosesrforrlongrperiodsrofrtime.rThernursershouldrex
pectrtoradministerrthisrmedicationroncerarday.



Arstaffreducatorrisrreviewingrmedicationrdosagesrandrfactorsrthatrinfluencermedicationrmetabolis
mrwithrargrouprofrnursesratranrin-
servicerpresentation.rWhichrofrtherfollowingrfactorsrshouldrthereducatorrincluderasrarreasonrtorad
ministerrlowerrmedicationrdosages?r(Selectrallrthatrapply.)



A.rIncreasedrrenalrsecretion



B.rIncreasedrmedication-metabolizingrenzymes

,C.rLiverrfailure



D.rPeripheralrvascularrdisease



E.rConcurrentruserofrmedicationrthersamerpathwayrmetabolizesr-rCORRECTrANSWERSrAnswer:r



C.rLiverrfailurerdecreasesrmetabolismrandrthusrincreasesrtherconcentrationrofrarmedication.rThisrre
quiresrdecreasingrtherdosage.



E.rWhenrthersamerpathwayrmetabolizesrtwormedications,rtheyrcompeterforrmetabolism,rtherebyri
ncreasingrtherconcentrationrofronerorrbothrmedications.rThisrrequiresrdecreasingrtherdosagerofron
erorrbothrmedications.



Arnurserisrpreparingrtoradministerr

eyerdropsrtorarclient.rWhichrofr

therfollowingractionsrshouldrther

nursertake?r(Selectrallrthatrapply.)



A.havertherclientrlieronrherrside.



B.Askrtherclientrtorlookr

upratrtherceiling.



C.Tellrtherclientrtorblinkrwhenrtherdropsrenterrherreye.



D.Droprthermedicationr

,intorthercenterrofrther

client'srconjunctivalrsac.



E.Instructrtherclientrtorcloserherreyergentlyrafterrinstillationr-
rCORRECTrANSWERSrB.rTherclientrshouldrlookrupwardrtor



keeprtherdropsrfromrfallingrontorherrcornea.

D.rThernursershouldrdroprthermedicationrintorther

centerrofrtherconjunctivalrsacrtorpromoterdistribution.



E.rTherclientrshouldrcloserherreyergentlyr

torpromoterdistributionrofrthermedication



Arnurserisrcompletingrdischargerteachingrforrarclientrwhorhasrarnewrprescriptionrforrtransdermalrpa
tches.rWhichrofrtherfollowingr

statementsrshouldrthernurseridentifyrasranrindicationrthatrtherclientr

understandsrtherinstructions?



A."Irwillrcleanrthersiterwithr

anralcoholrswabrbeforer

Irapplyrtherpatch."



B."Irwillrrotatertherapplicationrsitesrweekly."



C."Irwillrapplyrtherpatchrtoranrarearofrskinrwithrnorhair."r



D."Irwillrplacerthernewrpatchronrthersiterofrtheroldrpatch.r-
rCORRECTrANSWERSrC.rTherclientrshouldrapplyrtherpatchrtorarhairlessr

, arearofrskinrtorpromoterabsorptionrofrthermedication.



Arnurserreviewingrarclient'sr

medicalrrecordrnotesrarnewrprescriptionrforrverifyingrthertroughr

levelrofrtherclient'srmedication.rWhichrofrtherfollowingractionsrshouldrthernursertake?



A.Obtainrarbloodrspecimenr

immediatelyrpriorrtor

administeringrthernextr

doserofrmedication.



B.Verifyrthatrtherclientrhasr

beenrtakingrthermedicationr

forr24rhrrbeforerobtainingr

arbloodrspecimen.



C.Askrtherclientrtorpr

oviderarurinerspecimenrafterrthernextrdoserofrmedication.



D.Administerrthermedication,androbtainrarbloodrspecimenr30rminrlater-
rCORRECTrANSWERSrA.rTorverifyrtroughrlevelsrofrarmedication,rther



nursershouldrobtainrarbloodrspecimenrimmediatelyr

beforeradministeringrthernextrdoserofrmedication.



Arnurserisrpreparingrarclient'srmedications.rWhichrofrtherfollowingractionsrshouldrthernursertakerinrf
ollowingrlegalrpracticer

guidelines?r(Selectrallrthatrapply.)