Test Bank For Clinical Immunology And Serology A Laboratory Perspetive Fifth Edition By Chricstine Dorresteyn Miller Isbn 9780803694408 | Complete Guide A+

Which part of the membrane attack complex actually polymerizes in the membrane to form a transmembrane channel? {Ans: C9}Serum from a patient is analyzed by serum protein electrophoresis. The gamma globulin peak is twenty times lower than that of a normal healthy individual. {Ans: this result may indicate a B cell immunodeficiency}The host defences which provide immediate protection against microbial invasion are grouped under: {Ans: innate immunity}Pathogen-Associated Molecular Patterns (PAMPs) {Ans: are found on many microorganisms}Toll-Like Receptors (TLR): {Ans: recognize pathogen-associated molecular patterns (PAMPs) on selective microorganisms}Tumors may try immune evasion by producing immune-suppressive cytokines to inhibit T cell activation. {Ans: True}The clinical and pathogenic manifestations of full-blown AIDS are primarily the result of increased susceptibility to infection and some cancers, as a result of abnormal B lymphocytes. {Ans: False}All of the following cells of the immune system are Antigen-Presenting cells (APCs) EXCEPT: {Ans: neutrophils}Which of the following receptors on the T cells is involved in signal transduction TO the APCs? {Ans: CD40 ligand}Regarding primary and secondary antibody responses, all of the following are true EXCEPT: {Ans: the lag period is shorter in the primary response}A naive CD4+ T cell