Disclaimer: I am not providing any tax advice. I think you may want to check with a tax professional for tax advice.
To determine if you are a Qualifying Child, you need to meet both "Residence Test" and "Support Test" (in addition to other tests). If IRS determines you are indeed a Qualifying Child, then you can be claimed as a Dependent. According to IRS Guideline on Residence Test in Publication 501 , "your child is considered to have lived with you during periods of time when one of you, or both, are temporarily absent due to special circumstances, such as: illness, education,..."
