Multiple choice

Maple bark stripper's disease mainly affects the lumber workers employed in stripping the bark from maple logs. It is a hypersensitivity mainly affecting the

  1. skin

  2. kidneys

  3. nervous system

  4. lungs

  5. blood

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Maple bark stripper's disease is a type III extrinsic allergic alveolitis due to continual inhalation of Cryptostroma spores, which induce high antibody levels.