Q. Which one of the following is the correct statement regarding the process of respiration in humans?
A) Cigarette smoking may lead to inflammation of nasopharynx
B) Neural signals from the pneumotoxic centre in the pons region of the brain can’t increase the duration of inspiration
C) Workers in grinding and stone breaking industries may suffer from lung fibrosis
D) About 90% of $CO_{2}$ is carried out by haemoglobin as carbominohaemoglobin
Explanation
Workers in grinding and stone breaking industries may suffer for lung disease. Occupational Respiratory Disorders In certain industries, especially those involving grinding or stone breaking, so much dust is produced. In that condition, the respiratory diseases like, silicosis, fibrosis and asbestoses occurs. Long exposure can give rise to inflammation leading to fibrosis and thus, causing serious lung damage
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.