10 free CRES practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CRES Practice Test 5Tutor mode
Question 1 of 10
Public (employee, patient, visitor) Safety in the Healthcare Facility
During PM on a mobile DR x-ray unit, the protective-earth resistance from the power-plug ground pin to the exposed metal of the tube arm measures 0.9 Ω. What is the most appropriate action?