A person with O-negative blood group is a universal donor as O-negative blood can be transfused to any blood group. Blood group is determined by the presence of antigen(s) on the membrane of red blood cells.
Certified nursing assistant salary in the USA. The average salary for a certified nursing assistant in the US, according to PayScale, is $17,735 to $31,314 per year. Their hourly rate is $8.47 to $14.32 per hour.ccording to the BLS, certified nursing assistant earns around $10 to $12 per hour, or around $20,000 to $24,000 per year. The top paid certified nursing assistant receives salary of $30,000 per year, or $24.99 per hour.
1 An Assistant in Nursing who is under 18 years old can earn from $30,884 to $33,548. 2  Assistants in Nursing over 18 can earn between $36,540 to $39,989. 3  A trainee Enrolled Nurse who is under 18 years old and in their first year of service may earn from $30,931 up to $33,586.ompetitive rates of pay and superannuation are apply as at July 2011: 1  An Assistant in Nursing who is under 18 years old can earn from $30,884 to $33,548. 2  Assistants in Nursing over 18 can earn between $36,540 to $39,989.