The kidney is usually removed by enlarging the umbilical port incision. MDN, an open approach to donor nephrectomy<span>, is commonly performed through a small flank incision, without rib resection.</span>
It honestly depends. If this is you, or a friend, I would suggest to see a doctor to be sure because they are the only ones that can make a professional diagnosis and provide the best advice.
My input would be: either a coping mechanism or hallucinations.
Either way, it's nothing to be ashamed of and the sooner you seek medical advice, the sooner you can get a legitimate answer.
1. Stay calm and take time to lower temper (if needed).
2. Respectfully explain how cheating did not occur.
3. Use evidence of not cheating if applicable in a respectful manner.
4. Pause and listen to teacher if they have anything to say in response.