RRT (Registered Respiratory Therapist) advanced-level content of the NBRC RRT Examination 2026/2027 practice questions with answers and detailed rationales

Feb 28, 2026

RRT Practice Questions

1. A 65-year-old male with COPD is admitted with increasing dyspnea. His ABG on

room air shows: pH 7.32, PaCO2 68 mmHg, PaO2 52 mmHg, HCO3 34 mEq/L.

What is the most appropriate interpretation of these results?

A. Acute respiratory acidosis

B. Acute-on-chronic respi...