Why can a short exam have either result?
A short exam can end when the computer has enough evidence that the candidate’s ability is above or below the passing standard. Both decisions can occur at the minimum length. NCSBN explains this in its adaptive testing overview.
A practice percentage is a different measure. It describes the items in that practice set; it does not reproduce the official ability estimate or its stopping decision.
Does reaching 150 questions mean I failed?
Reaching the maximum item count also does not tell you the result. The official scoring rules still determine the outcome. Do not use a long exam as a reason to stop trying during the appointment.
The NCLEX FAQs state that item count does not determine or reveal pass or fail. Stories about another candidate’s stopping point cannot settle your result.
What should I do while waiting for the result?
Use the official results process for your nursing regulatory body. Avoid making work or licensing decisions from screen changes, registration tricks or someone else’s experience.
The NCLEX results page explains official reporting and the optional Quick Results service for participating US jurisdictions. Quick Results are unofficial and do not authorize practice as a nurse.
What can I learn from my preparation instead?
Look at patterns you can act on: repeated reasoning errors, gaps in topics and trouble maintaining pace. Those observations help you choose the next session without turning an internal score into a prediction.
For example, noticing that you often skip a later chart entry suggests a chart-reading task. A remembered answer or a dramatic stopping point offers much less direction.
How can I put this into my next study session?
Use the progress report to choose a weak pattern or due review. Judge improvement on fresh work, then use the official results process for the actual exam outcome. See NCLEX RN Exam Practice.