DMF Week 5 SAQ

1

Which one of the time periods below best describes the timing of peak intensity of Type I hypersensitivity reactions:


2

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?


3

Which one of the statements below regarding mediators of Type I hypersensitivity reactions is correct?


4

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


5

Which one of the following statements about the mechanisms of T cell tolerance is incorrect?


6

Which one of the statements about the mechanism of Type III hypersensitivity reactions is correct?


7

Which one of the following statements regarding autoimmune diseases is correct?


8

Which one of the following statements regarding post-streptococcal immune damage is correct?