How would you know if your glucose standard curve was aberrant?

There are several test in which the glucose of a certain person is tested. Most of these tests involves the extraction of blood from the body and the blood is tested for glucose concentration. The aberrant or abnormal glucose will lead to different body functions deviation such as the kidney problems, vision loss, strokes, heart attacks, etc. 

Nothing will delay it, but drinking some lemon (squeeze 3) would cut it, making it last a few days, but its not good to do that. won't hurt you but the next month will be more cramps.. take some advils with you on the trip