Medical Engineering encompasses a broad range of activities, and is alternatively called Bioengineering and Biomedical Engineering.
However, if your cat is excessively sneezing (more than just a few times a day or more than a few days in a row), a veterinary visit may be necessary. What can cause sneezing? Foreign material such as grass, small pieces of plant seed, etc.
Cats sneeze, and often it is hard to know whether sneezing warrants medical attention. Almost every day I see patients who sneeze and are congested. Most sneezing is due to mild upper-respiratory infections, but sometimes it is due to something more serious.