1. B
2. B
3. B
4. C
5. B
6. C
7. C
8. C
9. C
10. A
11. A
12. C
13. B
14. A
15. B
16. C
17. C
18. B
19. B
20. C
21. B
Prepare for the NBRC - National Board for Respiratory Care exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.