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.
The salary of RN First Assistants was reported to be $54,000. Psychiatric Nurse and RN Outpatient Oncology were the lowest paid professionals with the salary of $47,000. The pay of nurses holding other job titles varied from $48,000 to $53,000.