题目内容：
根据以下材料，回答题 Disease,Diagnosis,TreatmentandPrevention
Diseasemaybedefinedastheabnormalstateinwhichpartorallofthebodyisnotproperlyadjustedorisnotcapableofcarryingonallitsrequiredfunctions．Therearemarkedvariationsintheextentofthediseaseandinitseffectontheperson.
Inordertotreatadisease,thedoctorobviouslymustfirstdeterminethenatureoftheillness--thatis,makeadiagnosis．Adiagnosisistheconclusiondrawnfromanumberoffactsputtogether．Thedoctormustknowthesymptoms,whicharethechangesinbodyfunctionfeltbythepatient;andthesigns(alsocalledobjectivesymptoms)whichthedoctorhimselfcanobserve.
Sometimesacharacteristicgroupofsigns(orsymptoms)accompaniedagivendisease．Suchagroupiscalledasyndrome．Frequentlycertainlaboratorytestsareperformedandtheresultsareevaluatedbythephysicianinmakinghisdiagnosis.
Althoughnursesdonotdiagnose,theyplayanextremelyvaluableroleinthisprocessbyobservingcloselyforsigns,encouragingthepatienttotalkabouthimselfandhissymptoms,andthenreportingthisinformationtothedoctor．Oncethepatient'sdisorderisknown,thedoctorprescribesacourseoftreatment,alsoreferredtoastherapy．Manymeasuresinthiscourseoftreatmentarecarriedoutbythenurseunderthephysician'sorders.
Inrecentyearsphysicians,nursesandotherhealthworkershavetakenonincreasingresponsibilitiesinprevention．Throughoutmostofmedicalhistory,thephysician'saimhasbeentocureapatientofanexistingdisease．However,themodernconceptofpreventionseekstostopdiseasebeforeitactuallyhappens--tokeeppeoplewellthroughthepromotionofhealth．Avastnumberoforganizationsexistforthispurpose,rangingfromtheWorldHealthOrganization(WHO)onaninternationalleveldowntolocalprivateandcommunityhealthprograms．Arapidlygrowingresponsibilityofthenursingprofessioniseducatingindividualpatientstowardthemaintenanceoftotalhealth--physicalandmental.
Bysayingdiseaseitmeanstheconditioninwhichoneormorepartsofthebodyfailtofunctionproperly. A．Right
B．Wrong
C．Notmentioned
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