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The NBRC-WRE (National Board for Respiratory Care Written Registry Examination) is an examination for the advanced credentialing of previously certified respiratory therapists in the United States.[1]

Maintenance and administration[edit]

The NBRC-WRE, like the NBRC-ELE and NBRC-CSE is maintained and owned by the National Board for Respiratory Care who administers the examination through its for-profit private stock testing company Applied Measurement Professionals, Inc. The NBRC-WRE is one of two examinations required for being awarded the Registered Respiratory Therapist (RRT) credential.

Registry Examination System[edit]

The Registry Examination System was developed to objectively measure essential knowledge, skills, and abilities required of advanced respiratory therapists, and to set uniform standards for measuring such knowledge. The CRT credential is a prerequisite for admission to the Registry Examination. The RRT Examinations consist of a written portion (WRE) and a clinical simulation portion (CSE) . Candidates must schedule separate testing appointments for each of these portions. However, candidates may attempt both parts on the same day, provided testing sessions are available. Individuals who attempt both parts of the examination and achieve passing scores will be awarded the Registered Respiratory Therapist (RRT) credential.


Applicants have multiple eligibility options for the WRE and CSE examinations. The NBRC requires the candidate be 18 years old at the time of application for the examination and be a Certified Respiratory Therapist. In addition to those two universal eligibility requirements you also must fit into just one of the following requirements:

  • Graduate with an associate degree from a respiratory therapist educational program
  • Graduate with a baccalaureate degree from a respiratory therapist educational program
  • Have four years of full-time experience as a CRT with at least 62 semester hours of college credit (anatomy and physiology, chemistry, microbiology, physics, and mathematics) from a college or university accredited by its regional association or its equivalent.
  • Be a CRT having earned a minimum of an associate degree from an accredited entry-level respiratory therapist educational program with two years of full-time, clinical experience in respiratory care.
  • Have a baccalaureate degree in an area other than respiratory care, including college credit level courses in anatomy and physiology, chemistry, mathematics, microbiology and physics. Along with 2 years of clinical experience as a CRT.

Exam content[edit]

The Written Registry Examination for Advanced Respiratory Therapists consists of 115 multiple-choice questions (100 scored and 15 unscored items) covering the recall, application and analysis of clinical data, equipment and therapeutic procedures. Written Registry candidates are given two hours to complete the examination.[2]


The NBRC-WRE examination costs $200 USD with a $50 USD application fee and is administered by Applied Measurement Professionals, the for-profit company owned by the National Board for Respiratory Care.

Post-nominal identification[edit]

Those who are actively certified as a registered respiratory therapist by passing the NBRC-WRE and NBRC-CSE are permitted to use the post-nominal letters "RRT".

See also[edit]

External links[edit]


  1. ^ https://www.nbrc.org/Examinations/RRT/tabid/60/Default.aspx
  2. ^ http://www.nbrc.org RRT Examination Content as of August 2011