In determining the medical expenses tax credit, an individual cannot include the medical expenses of dependants who are over 17 years of age unless they qualify for the disability tax credit. OA. True because the medical expenses of dependants of any age can only be claimed if the dependant qualifies for the disability tax credit. OB. False because the medical expenses for any dependant over 17 years of age cannot be claimed when calculating the medical expenses tax credit. OC. True because the medical expenses of dependants who are over 17 years of age can only be claimed if the dependant qualifies for the disability tax credit. OD. False because medical expenses for all dependants over 17 years of age can be claimed when calculating the medical expenses tax credit. Clear all e in