Correct And Verified Answers 2025
WhatidoiCD4/helperiTicellsido?i-iCorrectiAnswer-
Activateimacrophages,iB-cells,icytotoxiciT-
cells,iandiotheriCD4icells
WhatiisireleasedibyiTh1iandiwhatidoesiitido?i-
iCorrectiAnswer-
ReleasesiIL2iandiactivatesicytotoxiciTcells
WhatidoesiCD4ibindito?i-iCorrectiAnswer-MCHII
WhatiisireleasedibyiTh2iandiwhatidoesiitido?i-
iCorrectiAnswer-
ReleasesiIL4iandibindsitoiBicellsiandiactivatesithem
WhatidoesiCD8ibindito?i-iCorrectiAnswer-MHC1
Humoraliimmunityiinvolvesiwhaticells?i-
iCorrectiAnswer-Bicells
CelliMediatediImmunityiinvolvesiwhaticells?i-
iCorrectiAnswer-Ticells
Activeiacquirediimmunityi-iCorrectiAnswer-
resultsifromiactualiexposureitoiaipathogen
Passiveiacquirediimmunityi-iCorrectiAnswer-
Doesinotiinvolveitheihost'siimmuneiresponse.iTransfe
rreditoirecipienti
-iimmediate,ishortilivediimmuneiresponse
-ionlyilastiaifewimonths
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, Antigeni-iCorrectiAnswer-
aitoxinioriotheriforeignisubstanceithatiinducesianiim
muneiresponseiinitheibody.iCanireactiwithiantibodiesi
oriantigenireceptorsioniBiandiTicells
Whatidoiplasmaicellsido?i-iCorrectiAnswer-
produceiantibodies
IgGi-iCorrectiAnswer--Mosticommoniantibody
-Bindsiwithiviruses,ibacteria,itoxins,iandimacrophage
s
-PrimaryiantibodyiiniSECONDARYiimmuneiresponse
-Onlyiantibodyithaticrossesiplacenta
IgEi-iCorrectiAnswer--
Bindsitoimasticells,ieosinophils,iandibasophils
-parasiticiinfectionsiandihypersensitiveireactions
-allergies/allergens
IgMi-iCorrectiAnswer--
MainiimmuneiglobuliniproducediiniearlyiPRIMARYii
mmuneiresponse.
-Highilevelsiindicateirecentiinfection
IgAi-iCorrectiAnswer--
Mainiimmuneiglobulinifoundiinisecretionsiandimuco
usimembranes.
-Preventsiinvadersifromiattachingitoimucousimembr
anes
IgDi-iCorrectiAnswer--SignalsiB-celliactivation
-FoundionitheisurfaceiofiB-lypmhocytes
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