478 Microbiology Superantigens area) Erythrotoxin of Staph. aureusb) Clostridium difficile toxinc) Staphyloccocal toxic shock syndrome toxind) Cholera toxin AaBbcCadDac (Correct Answer)
479 Microbiology Parvovirus B19 does not cause: ARoseola infantum (Correct Answer)BAplastic anemia in sickle cell diseaseCFetal hydropsDNone of the above
480 Microbiology Verocytotoxin of E. coli acts by – AIncreasing cAMPBDecreasing cAMPCDecreasing protein synthesis (Correct Answer)DDecreasing cGMP
481 Microbiology False about Haptens is AHaptens are high molecular weight molecules (Correct Answer)BLack immunogenicityCRetain antigenicityDComplex haptens contain two or more epitopes
483 Microbiology Stuart’s medium is a transport media for AStreptococcusBNeisseria (Correct Answer)CVibrioDShigella
484 Microbiology Duffy antigen is present in: AP. FalciparumBP. OvaleCP. Vivax (Correct Answer)DP. Malariae
485 Microbiology Not seen in the peripheral smear in plasmodium falciparum infection – AAccoleBMaurer'sdotCShuffners dots (Correct Answer)DSchizonts
486 Microbiology Ehrlich phenomenon is seen in AMyobacterium TuberculosisBProteusCStaphylococcusDCorynebacterium (Correct Answer)