Which of the following may occur when the lungs are exposed to noxious gases and the irritant reflex is activated?
I. Ventilatory rate increases
II. Reflex cough
III. Sneeze
IV. Bronchospasm
A) I and III only.
B) I, II, III, and IV
C) I, II, and III only
D) I and III only

Question

Quizplus · Accepted Answer

When the lungs are exposed to noxious gases, the irritant reflex can be activated, leading to an increase in ventilatory rate to expel the irritant, reflex cough to physically remove the irritant, bronchospasm to narrow the airways and prevent further exposure, and sneezing, although sneezing is more commonly associated with nasal irritation, it can be a reflex response to lung irritants in some contexts.

Which of the Following May Occur When the Lungs Are