NR 511 Diferential Diagnosis and Primary Care- Mid Term Review

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NR 511 Diferential Diagnosis and Primary Care- Mid Term Review

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48 pages

2024/2025

Institution NURS 511

Course NURS 511

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NR 511 Diferential Diagnosis and Primary Care- Mid Term Review

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NRnj511njDifferentialnjDiagnosisnjandnjPrimarynjCare-
nj Midnj Termnj Review

1.whatnjisnjthenjsensitivitynjofnjthenjProstatenjSpecificnjAntigennj(PSA)njfornjdetecti
ngnjprostatenjcancer?:nj#njmennjwithnjprostatenjcancer
#njmennjwithnjpositivenjPS
Anj160

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withnjthenjdiseasenjthatnjhavenjanjpositivenjresult;njitnjisnjthenjnumbernjofnjtruenjpo
sitivesnjdividednjbynjthenjtotalnjnumbernjofnjpatientsnjwhonjhavenjthenjdisease.
2.Anjdiagnosticnjtestnjisnjusednjinnjanjsamplenjofnj1000njpatients.nj500njofnjthesenjpatie
ntsnjhavenjthenjdisease,njwhilenj500njdonjnot.njOfnjthosenj500njpatientsnjwithoutnjthenjd
isease,nj30njtestnjpositive,njandnj470njtestnjnegative.njWhatnjisnjthenjspecificitynjofnjthe
njtest?:njThenjcorrectnjanswernjisnj470/500.

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otalnjnumbernjofnjpatientsnjwhonjdonjnotnjhavenjthenjdisease;njitnjisnjthenjnumbe
rnjofnjtruenjnegativesnjoverallnjnegatives.njInnjthisnjexample,nj500/1000njpatie
ntsnjhavenjthenjdisease.njOfnjthosenj500njpatientsnjwithoutnjthenjdisease,nj30njt
estnjpositive,njandnj470njtestnjnegative.
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sease.
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tivenjpredictivenjvalue.

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onnjwhereasnjsensitivitynjandnjspecificitynjarenjintrinsicnjpropertiesnjofnjthenjte
st.njReliabilitynjrefersnjtonjthenjconsistencynjornjstabilitynjofnjanjmeasure.
5.Anjlownjpretestnjprobabilitynjofnjdiseasenjmaynjleadnjtonjwhichnjofnjthenjfollowing?:nj
lownjpositivenjpredictivenjvaluenjandnjmorenjfalse-positivenjresults.

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1nj/
nj48

, NRnj511njDifferentialnjDiagnosisnjandnjPrimarynjCare-
nj Midnj Termnj Review

evalencenjvaluenjyieldsnjanjlownjpositivenjpredictivenjvaluenjandnjimpliesnjanjhig
hnjfalse-
positivenjrate.njNegativenjpredictivenjvaluenjdecreasesnjwithnjprevalence,njand
njsensitivitynjandnjspecificity njdonjnotnjvarynjwithnjprevalence.

2nj/
nj48

, NRnj511njDifferentialnjDiagnosisnjandnjPrimarynjCare-
nj Midnj Termnj Review

6.Ifnjyounjstronglynjsuspectnjthatnjanjpatientnjisnjpositivenjfornjanjspecificnjconditionnj
butnjtestsnjnegative,njthenjnegativenjresultnjmaynjbe::njfalse-
negativenjtestnjresultsnjduenjtonjanjlownjnegativenjpredictivenjvalue.

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testnjprobabilitynjandnjhighnjprevalencenjatnjthenjpopulationnjlevel.njNegativenjp
redictivenjvaluenjisnjinverselynjcorrelatednjwithnjprevalence;njtherefore,njyournj
clinicalnjsuspicionnjtranslatesnjtonjanjlownjnegativenjpredictivenjvalue,njsuggest
ingnjanjfalse-negativenjtestnjresult.
7.Whichnjtest(s)njprovidenjdatanjrelevantnjtonjthenjchiefnjcomplaint:njFever:njCBC

ChecknjCBCnjwithnjdifferentialnjfornjneutrophilnjshiftnjinnjsuspectednjinfection
8.Whichnjtest(s)njprovidenjdatanjrelevantnjtonjthenjchiefnjcomplaint:njUnexplain
ednjbruising:njCBC

Checknjplateletnjcount
9.Whichnjtest(s)njprovidenjdatanjrelevantnjtonjthenjchiefnjcomplaint:njFatigue:njBothnj
CBCnjandnjCMP

ChecknjRBC,njHgbnjandnjHctnjfornjanemia,njCMPnjfornjpotentialnjlivernjornjkidneynjab
ormalities
10.Whichnjtest(s)njprovidenjdatanjrelevantnjtonjthenjchiefnjcomplaint:njCardiacnjd
ys-njrhythmias:njCMP

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11.Whichnjtest(s)njprovidenjdatanjrelevantnjtonjthenjchiefnjcomplaint:njUnexplain
ednjweightnjloss:njBothnjCBCnjandnjCMP

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nj48

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nj Midnj Termnj Review

Plannjthenjmanagementnjofnjthenjclient'snjhealthnjiss
uesnjSelectnjannjissuenjfromnjthenjcasenjfornjself-
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4nj/
nj48

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Uploaded on: July 19, 2025
Number of pages: 48
Written in: 2024/2025
Type: Exam (elaborations)
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