ANSWERS 2025-2026
CEA Meaning & Indications - correct answer-CEA-
carcinoembryonic antigen (tumor marker); thisFis a glycoproteins found in embryonic entodermal epithel
ium
CEAAFunctions-
itAprotectsAcancerAcellsAfromAcellAdeath,AinhibitsAmacrophages,AandAupregulatesAcellAadhesionAforAmetasta
sAis
Indications:AtestApatientsAifAsigns/symptomsAofAcolorectalAcancer,AtoAstageAcancer,AorAobserveAresponseAtoA
cAancerAtreatments
HighACEAAResultsAInterpretationA-AcorrectAanswer--abnormallyAhighACEAAresultsAisAnotAenoughAtoAdiagnose
-
itAcanAbeAhighAdueAtoAinflammatoryAdiseases,Acirrhosis,AcolonicApolyps,AexposureAtoAanimalAantigensA(bites)
,Acigarette/tobaccoAuse
CEAAReferenceARangeA-AcorrectAanswer-Non-smokingAnormalArange:A0-
3Ang/mLASmokingAnormalArange:A0-5Ang/mL