<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A health professional who is licensed to do certain medical procedures under the guidance of a doctor. A physician assistant may take medical histories, do physical exams, take blood and urine samples, care for wounds, and give injections and immunizations.</n0:def-definition><n0:def-source>NCI-GLOSS</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A person trained and qualified to provide comprehensive diagnostic, preventive, and therapeutic medical care and services to patients under the guidance of the physician. A scope of physician assistant professional activity does not include the full range of interpretation of medical findings requiring the full professional background of the licensed physician. PAs are licensed by a state authority.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>