Which of the following is a true statement? -a taxpayer can deduct medical expenses incurred for members of his family who are dependents.-a taxpayer can deduct medical expenses incurred for a qualified relative even if the relative does not meet the gross income test.-a divorced taxpayer can deduct medical expenses incurred for a child even if the child is claimed as a dependent by the former spouse.-deductible medical expenses include long-term care services for disabled spouses and dependents.-all of the choices are true.