Question

Suffocation is caused due to_______

(a) increase in carbon dioxide

(b) decrease in oxygen

(c) decrease in hydrogen ions

(d) increase in oxygen

I have been asked this question at a job interview.

I'd like to ask this question from Disorders in Respiratory System topic in portion Breathing and Exchange of Gases of Biology – Class 11

Answer 1

Correct option is (a) increase in carbon dioxide

The explanation is: The receptors found in the body are highly sensitive to the carbon dioxide and hydrogen ions. Asphyxia is the state of suffocation due to high carbon dioxide concentration. The role of oxygen in the regulation of respiratory rhythm is quite insignificant.