This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Thermoactinomyces sacchari is the causative agent of- 
Select and explain. 
A. Occupational asthma, B. Bagassosis, C. Byssinosis, D. Farmer's lung
B: Bagassosis
Answer: B: Bagassosis 
Explanation: Occupational asthma is a lung disorder characterised by inhalation of substances in workplace & which can cause airways of lungs to swell narrow. Farmer's lung is hypersensitivity pneumonitis due to inhalation of dust of mouldy hay. Byssinosis is also known as brown lung disease due to inhalation of cotton paicles. Ref Harrison20th edition pg 1177