ATI RN Dosage Calculation Exam 3 2024

ATI RN Dosage Calculation Exam 3 2024
s s s s s s s

s

A snurse sis spreparing sto sadminister scodeine s20 smg sPO severy s6 shr sPRN spain. sAvailable sis
scodeine soral s solution s10 smg/ s5 smL. sHow smany s mL sshould sthe snurse sadminister sper

sdose? s s
s

(Round sto sthe snearest swhole snumber. sUse sa sleading szero sif sit sapplies. sDo snot suse sa
strailing s
s
zero.) s- sAnswer: s10
smL
s

Follow sthese ssteps sfor sthe sRatio sand sProportion smethod sof scalculation: s
Step s1: sWhat sis sthe sunit sof smeasurement sthe snurse sshould scalculate? smL s
Step s2: sWhat sis sthe sdose sthe snurse sshould sadminister? sDose sto sadminister s= sDesired s20
smg s

Step s3: sWhat sis sthe sdose savailable? sDose savailable s= sHave s10 smg s
Step s4: sShould sthe snurse sconvert sthe sunits sof smeasurement?
sNo sStep s5: sWhat sis sthe squantity sof sthe sdose savailable? s5

smL sStep s6: sSet sup san s equation sand ssolve sfor sX. s

Have/Quantity s= sDesired/X s
10 smg/ s5 smL s= s20 smg/ sX smL
sX smL s= s10 smL s

Step s7: sRound sif snecessary. s
Step s8: sDetermine swhether sthe samount sto sadminister smakes ssense. sIf sthere sare s10 smg/5
smL sand sthe sprescription sreads s20 smg, sit smakes ssense sto sadminister s10 smL. sThe snurse

sshould sadminister scodeine soral ssolution s10 smL s PO severy s6 shr sPRN spain. s
s

A snurse sis spreparing sto sadminister seszopiclone s2,000 smcg sPO sto sa sclient. sHow smany
smg s
s
should sthe snurse

sadminister? s
s

(Round sto sthe snearest swhole snumber. sUse sa sleading szero sif sit sapplies. sDo snot suse sa
strailing s
s
zero.) s- sAnswer: s2
smg
s

Follow sthese ssteps sfor sthe sRatio sand sProportion smethod sof scalculation: s
Step s1: sWhat sis sthe sunit sof smeasurement sthe snurse sshould scalculate? smg s
Step s2: sWhat sis sthe sdose sthe snurse sshould sadminister? sDose sto sadminister s= sDesired
s2,000 smcg s

Step s3: sWhat sis sthe sdose savailable? sDose savailable s= sHave s1 smg s
Step s4: sShould sthe snurse sconvert sthe sunits sof smeasurement? sYes s(mcg sdoes snot sequal smg)
s

1,000 smcg/1 smg s= s2,000 smcg/X smg
sX smg s= s2 smg s

Step s5: sRound sif snecessary. s

, Step s6: sDetermine swhether sthe samount sto sadminister smakes ssense. sIf sthe sprescription
sreads s2,000 smcg sand s1,000 smcg sequals s1 smg, sit smakes s sense sto sadminister s2 smg. sThe

snurse sshould sadminister seszopiclone s2 smg sPO. s
s

A snurse sis spreparing sto sadminister stobramycin s4 smg/kg/day sIM sdivided sin sthree sequal
sdoses sto sa spatient swho sweighs s60 skg. sAvailable s is stobramycin s40 smg/mL. sHow smany smL

sshould sthe snurse s administer sper sdose? s s
s

(Round sto sthe snearest swhole snumber. sUse sa sleading szero sif sit sapplies. sDo snot suse sa
strailing s
s
zero.) s- sAnswer: s2
smL
s

Follow sthese ssteps sfor sthe sRatio sand sProportion smethod sof scalculation:
sStep s1: sWhat sis sthe sunit sof smeasurement sthe snurse s should scalculate?

smg sStep s2: sSet sup san sequation sand s solve sfor sX. s

X s= sDose sper skg s× sClient's sweight sin skg s
X smg s= s4 smg/kg s× s60 skg
sX smg s= s240 smg s

The sdose sis sdivided sinto sthree sequal sdoses; stherefore, sdivide sX sby s3. s
240 smg s= s80 smg3 s
Step s3: sWhat sis sthe sunit sof smeasurement sthe snurse sshould scalculate? smL s
Step s4: sWhat sis sthe sdose sthe snurse sshould sadminister? sDose sto sadminister s= sDesired s80
smg s

Step s5: sWhat sis sthe sdose savailable? sDose savailable s= sHave s40 smg s
Step s6: sShould sthe snurse sconvert sthe sunits sof smeasurement?
sNo sStep s7: sWhat sis sthe squantity sof sthe sdose savailable? s1

smL sStep s8: sSet sup san s equation sand ssolve sfor sX. s

Have/Quantity s= sDesired/X s
40 smg/1 smL s= s80 smg/X smL
sX smL s= s2 smL s

Step s9: sRound sif snecessary. s
Step s10: sDetermine swhether sthe samount sto sadminister smakes ssense. sIf sthere sare s40
smg/mL sand sthe sprescription sreads s4 smg/kg/day s divided sin sthree s equal sdoses, sit smakes

ssense sto s administer s2 smL. sThe snurse sshould sadminister stobramycin s2 smL sIM sper sdose. s
s

A snurse sis spreparing sto sadminister smeperidine s75 smg sIM sstat. sAvailable sis
smeperidine s
s
injection s100 smg/mL. sHow smany smL sshould sthe snurse
sadminister?
s

s(Round sanswer sto snearest shundredth. sUse sa sleading szero sif sit s applies. sDo snot suse s a

strailing s
s
zero.) s- sAnswer: s0.75
smL
s

Follow sthese ssteps sfor sthe sRatio sand sProportion smethod sof scalculation: s
Step s1: sWhat sis sthe sunit sof smeasurement sthe snurse sshould scalculate? smL s
Step s2: sWhat sis sthe sdose sthe snurse sshould sadminister? sDose sto sadminister s= sDesired s75
smg s