A 25-year-old man has neck pain and tenderness after a diving accident. He is alert and haemodynamically stable. There is no neurological deficit. What is the most appropriate management regarding his cervical spine?ARemove the collar if he is not complaining of severe painBKeep the cervical spine immobilised and arrange CT of the cervical spineCOrder only plain cervical spine X-rays and discharge if normalDAsk him to actively flex and extend his neck to assess painEGive analgesia and no imaging is requiredCheck my answer