Nursing assistants need knowledge in the following areas:

• Customer and Personal Service: Providing special services to customers based on their needs.
• Administration and Management: How to run a business or group.
• English Language: The meaning and use of the English language.
• Public Safety and Security: How to protect people and property.
• Medicine and Dentistry: Injuries and illnesses and plans for treatment.
• Education and Training: The methods of teaching and learning.
• Therapy and Counseling: The mental or physical problems and methods for treatment.