Calculating nDrug nDosages: nA nPatient-Safe nApproach nto nNursing nand nMath nby
nCastillo
2nd nEdition
,Table nof nContents:
I. nSafety nin nMedication nAdministration
Chapter n1. nSafety nin nMedication nAdministration
Chapter n2. nThe nDrug nLabel
II. nSystems nof nMeasurement
Chapter n3. nThe nMetric nSystem
Chapter n4. nThe nHousehold nSystem
III. nMethods nof nCalculation
Chapter n5. nLinear nRatio nand nProportion
Chapter n6. nFractional nRatio nand nProportion
Chapter n7. nDimensional nAnalysis
Chapter n8. nFormula nMethod
IV. nAdministration nof nMedications
Chapter n9. nCalculating nOral nMedication nDoses
Chapter n10. nSyringes nand nNeedles
Chapter n11. nCalculating nParenteral nMedication nDosages
Chapter n12. nPreparing nPowdered nParenteral nMedications
Chapter n13. nAdministration nof nInsulin
V. nIV nTherapy nand nAdministration nof nIntravenous nMedications
Chapter n14. nIntravenous nInfusion nand nInfusion nRates
Chapter n15. nCalculating nInfusion nand nCompletion nTime
Chapter n16. nAdministering nIV nPush nMedications
VI. nVerifying nSafe nDose nand nCritical nCare nCalculations
Chapter n17. nVerifying nSafe nDose
Chapter n18. nTitration nof nIntravenous nMedications
VII. nIntake nand nOutput
Chapter n19. nCalculating nIntake nand nOutput
Chapter n20. nCalculating nParenteral nIntake
VIII. nDosages nfor nPediatric nand nOlder nAdult nPopulations
Chapter n21. nConsiderations nfor nthe nPediatric nPatient
Chapter n22. nConsiderations nfor nthe nOlder nAdult
,Chapter n1: nSafety nin nMedication nAdministration
Castillo: nCalculating nDrug nDosages: nA nPatient-Safe nApproach nto nNursing nand nMath n2nd
nEdition
MULTIPLE nCHOICE
1. The nfollowing nmedication norder nis nin nthe npatient’s nmedication nadministration nrecord
n(MAR):
methylPREDnisolone n40 nmg nPO ndaily nat n0900.
After nreading nthe norder, nthe nnurse ncorrectly ndetermines:
A “PO” nis nan ninappropriate nabbreviation.
B the nmedication norder nis nwritten ncorrectly.
C 40 nmg nshould nbe nwritten nas n40mg.
D tall nman nlettering nindicates nthat nthe ndrug nis na
nnarcotic.
ANS: nB
Feedback
The nmedication norder nhas nall nthe nrequired ncomponents n(drug nname,
ndose, nroute, nand nfrequency nof nadministration) nfor na ndrug norder. n“PO”
nis nan nappropriate nabbreviation; n40 nmg nis nwritten n correctly nwith na
nspace nbetween nthe ndose nand nthe nunit n of
measurement. nTall nman nlettering nis nused nto ndistinguish nthe ndrug nfrom
nanother ndrug nwith na nsimilar nname.
2. Which nof nthe nfollowing naccurately ndescribes nthe n“Boxed nWarning” nfound non na ndrug
nlabel?
A It nis nprimarily nis nused nto nidentify nthe nsafe ndose nfor nthe
npatient.
B It nis ncommonly nfound non nall ndrug nlabels.
C It nidentifies nserious npotential nrisks nand nside neffects nrelated nto
ndrug nuse.
D It nprotects nthe npatient nby nproviding ninformation nto ndecrease
nside neffects.
ANS: nC
Feedback
1
, A ndrug nlabel nwith na nboxed nwarning nprovides ninformation nto nhealthcare
nprofessionals nand npatients nregarding nthe nserious nrisks nand nside neffects
nrelated nto nthe ndrug. nThe nBoxed nWarning nis nnot n the nprimary nsource nfor
nidentifying nthe npatient’s ndrug ndosage.
The nwarning nis nfound non nspecific nprescription nmedications nand ndoes nnot
nprovide ninformation nto nreduce nor ndecrease n side neffects.
3. When npracticing nsafety nin nthe nadministration nof nmedication, nfor nwhich nof
nthe nfollowing nmedication norders nshould na n nurse nseek nclarification nbefore
nthe nadministration nof nthe nmedication?
2