Which one of the time periods below best describes the timing of peak intensity of Type I hypersensitivity reactions:
After activation, CD4 T cells may differentiate along several different pathways, two of which results in the production of TH1 and TH2 T cells. Which of the following statements is correct with regard to these differentiation pathways?
Which one of the statements below regarding mediators of Type I hypersensitivity reactions is correct?
Which one or more of the following statements about eicosanoids is / are correct?
A: Increased generation of prostaglandins in inflammation is mainly due to the activity of cyclo-oxygenase-1
B: Inhibition of prostaglandin production is an effective treatment for allergic respiratory conditions
C: The production of prostaglandins is mainly restricted to leukocytes
D: Eicosanoid formation is normally limited by the amount of free arachidonic acid
Which one of the following statements about the mechanisms of T cell tolerance is incorrect?
Which one of the statements about the mechanism of Type III hypersensitivity reactions is correct?
Which one of the following statements regarding autoimmune diseases is correct?
Which one of the following statements regarding post-streptococcal immune damage is correct?