<prompt> Which of the following type hypersensitivity reactions occurs in Farmers lungs -a Type Ib Type IIc Type IIId Type IVabcdbdac  <response>: Hypersensitivity pneumonitis including farmers lung is an immunologically mediated response to an extrinsic antigen that involves both immune complex type HI and delayed type type IV hypersensitivity reactions.___ Robbins 703. 