Final answer:
Clinicians are the primary consumer of health information technology in relation to the ARRA HITECH act.
Step-by-step explanation:
The primary consumer of health information technology in relation to the ARRA HITECH act is clinicians. The ARRA HITECH act, or the American Recovery and Reinvestment Act Health Information Technology for Economic and Clinical Health act, aims to promote the adoption and meaningful use of electronic health records (EHRs) by healthcare providers. Clinicians, such as doctors and nurses, are the main users of EHR systems to document and access patient information, make treatment decisions, and improve overall healthcare delivery.