Pathology – MCQ 23 – Function of Natural killer cells

Natural killer cells attacks which of the following cells
a) Cells which express MHC 1
b) Cells which are not able to express MHC 1
c) MHC cells which express MHC 2
d) Cells which are not able to express MHC 2

Correct answer : b) Cells which are not able to express MHC 1