You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <random>
      <page id="2379" ns="0" title="An examination of the financial feasibility of Electronic Medical Records (EMRs): a case study of tangible and intangible benefits" />
      <page id="5104" ns="0" title="Using qualitative studies to improve the usability of an EMR" />
    </random>
  </query>
</api>