<prompt> Predominant constituent of Hyaline membrane disease is :AlbuminAnthracotic pigmentFibrin rich exudatesPhosphatidylcholine  <response>: The membranes in hyaline membrane disease are largely made up of fibrinogen and fibrin admixed with cell debris derived chiefly from necrotic type-II pneumocytes. There is a remarkable paucity of neutrophilic inflammatory reaction associated with these membranes. 