Surgery A patient brought to the emergency room after a road traffic accident shows cyanosis. Which of the following is TRUE regarding in this patient? A Cyanosis is a early s/o hypoxia B Cyanosis is a late s/o hypoxia C Absence of cyanosis indicates adequate airway D Absence of cyanosis indicates adequate tissue perfusion 💡 Explanation A patient brought to the emergency room after a road traffic accident shows cyanosis. Which of the following is TRUE regarding in this patient? ✓ Correct Answer: B. Cyanosis is a late s/o hypoxia