Question

Which of the following is a step required for T cytotoxic cell activation - SELECT ALL THAT APPLY

Group of answer choices

activation of the complement

antigen binding to antibody

CD4 binding to MHC-I

T cell receptor (TCR) binding to antigen

Which of the following is a direct consequence of T cytotoxic cell activation -SELECT ALL THAT APPLY

Group of answer choices

phagocytosis

release of perforin and granzyme

activation of the complement system

release of alpha and beta interferon

death of target cell

antibody production

The reason that the flu vaccine is different every year is because (select all that apply)

Group of answer choices

RNA dependent RNA polymerase lacks proofreading ability

multiple different strains of the flu can coinfect the same host leading to antigenic shift

influenza undergoes conjugation

influenza takes part in transduction

Answer 1

QUESTION 1: IN ACTIVATION OF T CYTOTOXIN CELL,

Complement is activated

TCR Binds to antigen and CD8 binds to class 1 of MHC

Also, antigen binds to antibody.

Correct option is a,b and d

QUESTION 2: Release of perforin and granzymes is direct consequence of T cytotoxin cell activation.