Take a Practice Nursing Aide Exam 3. November 2010 0 Caregiver Jobs (2) Certified Nursing Aides are in high demand as nursing homes and assisted living communities and hospitals must maintain a certain staffing quota of nursing aides according to the number of patients or residents they have who need assistance with their activities of daily living. Learn about the skills taught in a nursing aide certification course by taking a sample or practice nursing aide exam. Then check out C.N.A. schools in your area, including the admissions requirements and costs.