NBRC TMC Practice Test 2026 — Free NBRC TMC Exam Prep Questions
The NBRC Therapist Multiple-Choice (TMC) Examination is the credentialing exam respiratory therapy graduates take to earn the CRT credential and, at the high cut score, become eligible for the RRT Clinical Simulation Examination. Our practice questions follow the NBRC TMC Detailed Content Outline across Patient Data, Troubleshooting and Quality Control, and Initiation and Modification of Interventions, with worked ventilator, gas-law and blood-gas calculations.
A patient on volume control ventilation (VT 500 mL, rate 12/min, no spontaneous breaths) has a PaCO2 of 60 mm Hg. The physician wants a PaCO2 of 45 mm Hg without changing tidal volume. What rate should be set?
NBRC TMC format, scoring & key facts
Facts last verified Oct 5, 2026. Source: www.nbrc.org/wp-content/uploads/2024/03/TMC-DCO-for-website-effective-January-2020.pdf. Always confirm details with NBRC before your exam.
When can you take the NBRC TMC?
Plan backwards from your exam date
What the NBRC TMC covers
Every PrepBanq NBRC TMC test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
Patient DataEvaluate data in the patient record, perform clinical assessment, gather clinical information, evaluate procedure results and recommend diagnostic procedures (50 items). | 35.7% | ~50 | 9 questions → |
Troubleshooting and Quality Control of Devices, and Infection ControlAssemble and troubleshoot devices, ensure infection prevention and perform quality control procedures (20 items). | 14.3% | ~20 | 4 questions → |
Initiation and Modification of InterventionsAirway care, airway clearance, oxygenation and ventilation, medications and specialty gases, care-plan changes, evidence-based practice, high-risk situations, assisting providers and patient education (70 items). | 50% | ~70 | 12 questions → |
Your path to passing the NBRC TMC
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NBRC TMC FAQ
How many questions are on the NBRC TMC?
The NBRC TMC has 160 questions (140 of them scored) and you have 3 hours to finish. Question types: Multiple choice (140 scored + 20 pretest items).
How long is the NBRC TMC exam?
Testing time for the NBRC TMC is 3 hours.
What is the passing score for the NBRC TMC?
NBRC TMC passing standard: Two cut scores: low cut earns the CRT; high cut earns the CRT plus eligibility for the Clinical Simulation Examination (RRT).
What is on the NBRC TMC?
The NBRC TMC covers Patient Data (about 35.7%), Troubleshooting and Quality Control of Devices, and Infection Control (about 14.3%), Initiation and Modification of Interventions (about 50%).
Who administers the NBRC TMC?
The NBRC Therapist Multiple-Choice (TMC) Exam (CRT/RRT) is administered by NBRC.
Is there a free NBRC TMC practice test?
Yes. PrepBanq has 3 free NBRC TMC practice tests with 25 exam-style questions in the real NBRC TMC formats, and every answer is explained. No credit card is needed.
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