Role of a nurse practitioner.
The following is written by and according to Wikipedia and particular to the role of a nurse practitioner.
Because the profession is state regulated, care provided by NPs varies widely. In many states, nurse practitioners work completely independently and autonomously of physicians while, in other states, a collaborative agreement with a physician is required for practice; the extent of this collaborative agreement, and the role, duties, tasks, medical treatments, pharmacologic prescriptions, et al it affords a Nurse Practitioner to perform and prescribe again varies amongst states of licensure. A nurse practitioner’s job may include the following:
•	Diagnosing, treating, evaluating and managing acute and chronic illness and disease (e.g. diabetes, high blood pressure)
•	Obtaining medical histories and conducting physical examinations
•	Ordering, performing, and interpreting diagnostic studies (e.g., routine lab tests, bone x-rays, EKGs)
•	Prescribing physical therapy and other rehabilitation treatments
•	Prescribing pharmacologic treatments and therapies for acute and chronic illness (extent of prescriptive authority varies by state regulations)
•	Providing prenatal care and family planning services
•	Providing well-child care, including screening and immunizations
•	Providing primary and specialty care services, health-maintenance care for adults, including annual physicals
•	Providing care for patients in acute and critical care settings
•	Assisting in minor surgeries and procedures (with additional training and usually under supervision) (e.g., dermatological biopsies, suturing, casting)
•	Counseling and educating patients on health behaviors, self-care skills, and treatment options
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