1.1 Current CRT and TMC Exam Facts

Current CRT and TMC Exam Facts

For a candidate testing in 2026, the active NBRC route to the Certified Respiratory Therapist (CRT) credential is the Therapist Multiple-Choice Examination (TMC), administered by the National Board for Respiratory Care (NBRC) at PSI assessment centers. The TMC measures entry-level respiratory therapy knowledge, skills, and clinical judgment. It is also the bridge to the Registered Respiratory Therapist (RRT) pathway, because a candidate who reaches the high cut score and otherwise qualifies becomes eligible for the Clinical Simulation Examination (CSE).

Do not let the 2027 transition blur your plan. The 2027 Respiratory Therapy Examination matters for registration timing, but it is not the test a candidate sitting through Dec. 31, 2026 will face. For daily practice, use the TMC Detailed Content Outline that runs through Dec. 31, 2026.

2026 TMC vs. 2027 RT Exam

The 20 pretest items are not labeled. You cannot spot them by difficulty, wording, or topic. Treat every question as scored, because a rushed guess on a familiar-looking stem can cost more than a slow miss on an unusual one.

Scored Content Emphasis

The intervention domain is largest, but it does not stand alone. Many intervention items open with patient data, then ask for the safest next respiratory care action. If you cannot read the arterial blood gas (ABG), recognize a failing airway, or separate equipment failure from patient decline, the choices will look like memorized therapies without a priority order.

Scoring and Cut Scores

The TMC is scored on the 140 scored items only; pretest items never count. NBRC reports two thresholds on that 0-to-140 scale. The low cut score is roughly 86 correct, and clearing it earns CRT. The high cut score is roughly 92 correct; reaching it earns CRT and, with eligibility, opens the CSE step toward RRT. These numbers are set by standard-setting panels and can be adjusted, so treat 86 and 92 as planning anchors, not guarantees. Practically, the gap between low and high cut is only about six scored items, so a handful of careless misses can decide whether you keep the RRT pathway open.

Use the blueprint to budget practice time. A balanced week might run two intervention-heavy sets, one data-interpretation set, one equipment or infection-control set, and one mixed timed set. The mixed set matters because the real TMC never announces which domain you are in. After each set, log the domain, the reason for every miss (content, sequencing, or pacing), and whether a good overall score is hiding repeated ventilator, oxygen-device, infection-control, or ABG errors.

CRT Strategy from the Fact Set

Start every study block with the facts in mind:

1. You are preparing for 160 items, not a short school quiz.
2. You need 3-hour stamina, not just topic familiarity.
3. You must answer all items, because pretest items are hidden.
4. You should pair interventions with the data that justifies them.
5. You should aim past the 86-correct low cut toward the 92 high cut to protect RRT options.

A high-quality CRT answer is safe, supported, and sequenced. It checks oxygenation, ventilation, airway patency, patient stability, equipment function, and infection-control needs before reaching for a dramatic intervention. That discipline is the thread connecting the TMC facts to daily preparation.

Common Fact-Set Traps

Several predictable mistakes flow from misreading the basic exam facts. Memorize the corrections now so they do not cost you points on test day.

• Trap: studying the 2027 blueprint. The 2027 exam adds 25 items and an extra hour and retires the CSE. If you train on 185-item, 4-hour sets for a 2026 attempt, you will misjudge pacing on the real 160-item, 3-hour TMC.
• Trap: skipping items you think are pretest. The 20 pretest items are invisible. Leaving an item blank to save time guarantees a zero if it turns out to be scored; an educated guess never does.
• Trap: chasing the intervention domain only. Interventions are 70 of 140 items, but they routinely require patient-data interpretation first. Neglecting the 50 data items quietly caps your ceiling on the intervention items too.
• Trap: treating 36/14/50 as exact per-attempt counts. The blueprint percentages describe the scored pool; your individual form is built to those weights but you should not try to count items into buckets while testing.
• Trap: ignoring infection control. It shares the smallest scored domain with troubleshooting, so candidates skip it, then lose easy points on isolation precautions, hand hygiene, and equipment processing.

Finally, calibrate expectations to the scoring scale. Because passing rests on the 140 scored items and the low cut sits near 86, you can miss roughly 54 scored items and still earn CRT, but the high cut near 92 tightens that margin to about 48 misses. Knowing the math removes panic: one hard item is not the difference between credential and failure, but a pattern of avoidable misses is. Build the discipline early, and the facts in this section become a study plan rather than trivia.