Are the "bumpy patches" a result of your anxiety and stress? Perhaps. But they may also be due to any number of things.
If you are concerned your doctor should be able to provide a diagnosis, or refer you to a specialist
I had these once. My ENT told my I had kryptic tonsils, meaning that they have alot of deep ridges in them. So when you eat food, small pieces can get stuck in them and fester there. It was solved by simply gargling mouth wa