The dangerous paicle size causing pneumoconiosis varies from ?
Correct Answer: 1-5 m
Description: Ans. is 'd' i.e., 1-5 m Pneumoconiosis o Pneumoconiosis is an occupational lung disease caused by the inhalation of dust. o The development of pneumoconiosis depends on - (i) The amount of dust retained in the lungs and airways. (ii) The size, shape of the paicles --> The most dangerous paicle ranges from Ito 5 m in diameter because they may reach the terminal small airway and air sacs and settle in their linings. (iii) Paicle solubility and physiochemical reactivity. (iv) Additional effects of other irritants (e.g. concomitant smoking). Impoant pneumoconiosis o Cool worker's pneumoconiosis (CWP) --> Coal dust o Silicosis (grinder's disease) --> Silica dust o Asbestosis --> Asbestos dust o Beryliosis --> Berylium dust o Siderosis --> Iron dust o Byssinosis --> Cotton dust
Category:
Pathology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now