All Medical Careers

1. Role Overview & Clinical Scope of Practice

Registered Nurses (RNs) constitute the largest licensed healthcare profession in the United States, with over 3.1 million practicing clinicians. Operating with broad clinical judgment and autonomy across every medical specialty, RNs perform continuous patient assessments, synthesize lab and hemodynamic telemetry data, titrate life-sustaining intravenous infusions, and serve as the central communication hub connecting physicians, pharmacists, therapists, and patients.

Few professions match the specialty diversity and scheduling flexibility of Registered Nursing. Bedside hospital RNs typically work three 12-hour shifts per week (36 hours full-time, leaving four days off every week) across specialized units such as the Intensive Care Unit (ICU), Emergency Department (ER), Trauma, Operating Room (Perioperative), Labor and Delivery, Neonatal ICU (NICU), Oncology, and Telemetry/Medical-Surgical floors.

Beyond acute bedside care, RNs practice in outpatient surgery centers, clinic triage, school nursing, occupational health, care management, clinical informatics, legal nurse consulting, and high-paying travel nursing contracts—and can advance to master’s or doctoral practice as a Nurse Practitioner (APRN), Certified Registered Nurse Anesthetist (CRNA), or Clinical Nurse Specialist.

2. Core Clinical & Technical Responsibilities

In daily clinical practice, a Registered Nurse (RN) performs the following core responsibilities:

• Perform comprehensive admission and shift-by-shift head-to-toe physical, neurological, cardiovascular, and respiratory assessments.
• Formulate individualized nursing diagnoses and care plans, prioritizing acute clinical interventions and patient safety precautions.
• Administer and titrate high-alert intravenous (IV) medications, vasopressors, insulin drips, chemotherapy, and blood component transfusions.
• Insert and manage peripheral IV catheters, central venous access lines (PICCs/ports), nasogastric tubes, and Foley catheters, and manage complex surgical drains and wounds.
• Recognize acute clinical decompensation (sepsis, stroke, respiratory failure, cardiac arrest), activate rapid-response/Code Blue protocols, and lead ACLS resuscitation.
• Educate patients and family caregivers on disease pathology, medication regimens, and post-discharge self-care, and supervise LPNs and CNAs.

3. Education Requirements & Accredited Schools

Prospective RNs can qualify for the national licensing examination through two primary accredited pathways: a two-year Associate Degree in Nursing (ADN) at a community college or a four-year Bachelor of Science in Nursing (BSN) at a college or university (individuals who already hold a bachelor’s degree in another field can complete an Accelerated BSN [ABSN] in 12 to 16 months). Programs must hold State Board of Nursing approval and national accreditation from CCNE, ACEN, or CNEA.

Many RNs enter the workforce quickly and debt-free via a community college ADN program and subsequently complete an online RN-to-BSN completion degree in 12 months while their hospital employer pays 100% of the tuition.

4. National Certification Exams & State Licensure

All 50 states and Washington, D.C. require RNs to graduate from an approved nursing program and pass the Next Generation NCLEX-RN examination developed by the National Council of State Boards of Nursing (NCSBN) to earn a State Registered Nurse License.

Once practicing, RNs can earn prestigious national specialty board certifications that trigger hospital clinical-ladder pay differentials—such as Critical Care Registered Nurse (CCRN), Certified Emergency Nurse (CEN), Certified Perioperative Nurse (CNOR), Oncology Certified Nurse (OCN), or Inpatient Obstetric Nursing (RNC-OB).

5. Salary Percentile Breakdown & Top-Paying Settings

Compensation for a Registered Nurse (RN) varies based on clinical experience, specialty certifications, shift differentials, geographic region, and facility type.

6. Work Environment & Career Advancement Ladder

Primary Employment Settings: Acute care hospitals (ICU, ER, OR, Labor & Delivery, Med-Surg), outpatient clinics, ambulatory surgery centers, home health

7. 50-State Licensure, Compact Status & Regulatory Directory

Use the interactive directory below to review state regulatory boards, interstate compact participation, and license renewal requirements for Registered Nurse (RN) professionals across all 50 states and Washington, D.C.