About 400 calories is the answer
To keep yourself and the omelets safe, you should break the eggs against a flat surface or against each other to create a large enough crack so that the eggshell (small pieces) don't fall into the egg itself. The risk of the eggshell in the omelet is that you could possibly be giving yourself salmonella which is a dangerous situation.
Caddy is more likely to have an anxiety disorder than other adolescents. It is because an anxiety disorder can occur with other mental disorder such as clinical depression which states that Caddy is suffering from. So it is predicted that she may experience an anxiety disorder.
I would say that she didn't correct her wrong answers after the first test, therefore making her confused on the second.