// AEMT Question · Advanced Airway
End-tidal CO₂ during high-quality CPR should generally be maintained above:
A. 5 mmHg
B. 10 mmHgCorrect
C. 20 mmHg
D. 40 mmHg
// Rationale
ETCO₂ > 10 mmHg during CPR suggests adequate perfusion; a sudden rise may indicate ROSC.