NEET Biology question

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 pneumotaxic 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 fibrosisCorrect
(D)About 90% of CO is carried out by haemoglobin as carbaminohaemoglobin

Answer: (C)

Solution

Prolonged occupational exposure to dust in grinding and stone-breaking industries can indeed cause lung fibrosis, whereas cigarette smoking causes bronchial/alveolar damage rather than specifically

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Question ID VK-119199