The patient inhales the fumes, which contain a considerable proportion of nitrogen oxides.
This action causes the glottis to contract, and this in turn causes a vibration when the cat inhales and exhales.
A cat will purr as he inhales and exhales without any break in the purr.
These particles can dangle in the air at perfect breathing range and sneezing will likely occur when your cat inhales those particles.
When a person smokes a cigarette and inhales, an intense and fast-moving chemical reaction is produced when the nicotine enters the body.