The most effective way to assess the quantity of pain is to ask the patient to

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Quantity depicts the severity,volume,number,or extent of the chief complaint.One mechanism that can be used to assess the quantity of pain is a numerical scale,known as the visual analog scale,which rates pain from 0 (no pain)to 10 (worst pain possible).The terms in options "a" and "b" are subjective and therefore difficult to quantify.If the patient consistently uses the same terms,then a relative scale can be used to assess whether the chief complaint is improving or becoming worse.Option "d" will elicit a subjective term,such as better or worse,which is difficult to quantify.

The Most Effective Way to Assess the Quantity of Pain