In addition, the candidate must demonstrate the following Knowledge, Skills, and Abilities (KSAs): Ability to assist in the full range of nursing care to patients/residents with physical and/or behavioral problems in a hospital, long term care or outpatient setting under the direction of a Registered Nurse and/or Licensed Vocational Nurse/Licensed Practical Nurse. GS-4 Level: Experience: One year of specialized experience as a NA or experience in another medical field (licensed practical nurse, health technician, hospital corpsman, etc.), performing technical and nursing skills requiring knowledge of the human physical and emotional states, therapeutic communication, and technical skills required for basic and intermediate treatments; OR.