in the course of assessment, issue an instruction or authorization for another person to apply, to a named individual,
ultrasound for diagnostic or imaging purposes, including any application of ultrasound to a fetus, or
X-rays for diagnostic or imaging purposes, except X-rays for the purpose of computerized axial tomography
The Regulation states that, during the assessment process, registered nurses may order ultrasound or X-ray with the exception of CAT scans.
Registered nurses give a client-specific order for X-ray or ultrasound only under the following circumstances: