Medicare and medicaid hospice benefits criteria allow patients with a life expectancy of 6 months or less to be admitted to the hospice. however, the median length of stay in a hospice program is just 21.3 days. which of the following reasons explains underuse of hospice care services? a) patients/families view palliative care as giving upb) lack of fully credentialed and trained hospice nursesc) difficulty obtaining medicare certification for hospice servicesd) lack of medicare/medicaid funding for hospice