The enlargement of mucous membranes of the oropharynx, nasopharynx and larynx that may obstruct airways and cause death from asphyxiation is caused in
Pneumonia
Silicosis
Asbestosis
Diphtheria
Disorders of the Respiratory System -
Diphtheria: It is caused by Corynebacterium diphtheriae resulting in enlarged mucous membranes of the oropharynx, nasopharynx and larynx. It may obstruct airways and cause death from asphyxiation.
Hence, the correct option is Diptheria