this is a classification of back pain based on duration.○ acute○ recurrent○ chronic○ all of the above2 of 5

this is a classification of back pain based on duration.○ acute○ recurrent○ chronic○ all of the above2 of 5
Answer
Brief Explanations:
Back pain is clinically classified by duration into three main categories: acute (short-term, typically <6 weeks), recurrent (episodes of acute pain that repeat), and chronic (long-term, typically >12 weeks). All three are valid duration-based classifications.
Answer:
D. All of the above