Pathology Hypersensitivity pneumanitis is classically described as A Type I hypersensitivity reaction B Type II hypersensitivity reaction C Type III (immune complex) hypersensitivity D Type IV (cell mediated) hypersensitivity 💡 Explanation Hypersensitivity pneumanitis is classically described as ✓ Correct Answer: D. Type IV (cell mediated) hypersensitivity