A 35-year-old man is brought to A&E after a high-speed road traffic collision. He is agitated, with RR 32/min, SpO2 89% on air, HR 120 bpm and BP 100/60 mmHg. According to the ABCDE approach, what is the most appropriate immediate priority?AInsert a urinary catheter to measure urine outputBArrange immediate CT scan of the whole bodyCProvide high-flow oxygen and assess airway and breathing while calling for senior helpDGive Morphine for pain reliefETake blood samples and cross-match bloodCheck my answer