RESPIRATORY CARE EXAM REVIEW CHAPTER 1 | PRACTICE QUESTIONS & ANSWERS |
COMPREHENSIVE STUDY GUIDE 2026/2027
1:1 - ANS ✔✔List the air/O2 ratio for 60% O2
3:1 - ANS ✔✔List the air/O2 ratio for 40% O2
5:1 - ANS ✔✔List the air/O2 ratio for 35% O2
8:1 - ANS ✔✔List the air/O2 ratio for 30% O2
25:1 - ANS ✔✔List the air/O2 ratio for 24% O2
Air-entrainment mask, Aerosol mask, T-piece, face tent, tracheostomy collar - ANS ✔✔Give
examples of high-flow O2 delivery devices.
Conserves O2 in the reservoir - ANS ✔✔What is the primary benefit of using a reservoir
cannula?
1.34 x 13 g/dL x 0.96 = 16.7
0.003 x 82 mmHg = 17 g/dL - ANS ✔✔Calculate total O2 content, given the following ABG test
results:
pH- 7.36
PaCO2- 40 mmHg
PaO2- 82 mmHg
SaO2- 96%
COMPREHENSIVE STUDY GUIDE 2026/2027
1:1 - ANS ✔✔List the air/O2 ratio for 60% O2
3:1 - ANS ✔✔List the air/O2 ratio for 40% O2
5:1 - ANS ✔✔List the air/O2 ratio for 35% O2
8:1 - ANS ✔✔List the air/O2 ratio for 30% O2
25:1 - ANS ✔✔List the air/O2 ratio for 24% O2
Air-entrainment mask, Aerosol mask, T-piece, face tent, tracheostomy collar - ANS ✔✔Give
examples of high-flow O2 delivery devices.
Conserves O2 in the reservoir - ANS ✔✔What is the primary benefit of using a reservoir
cannula?
1.34 x 13 g/dL x 0.96 = 16.7
0.003 x 82 mmHg = 17 g/dL - ANS ✔✔Calculate total O2 content, given the following ABG test
results:
pH- 7.36
PaCO2- 40 mmHg
PaO2- 82 mmHg
SaO2- 96%