Question

when should the timing for items to be sterilized start?
○ when the unit has reached the proper temperature
○ when the steam light has turned on
○ after the cycle is complete
○ as soon as the unit is started
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Explanation:

Sterilization timing starts when the sterilization unit (like an autoclave) reaches the proper temperature for effective sterilization. The steam light turning on doesn't guarantee proper temp, timing at unit start is too early (unit hasn't reached sterilization temp), and after cycle completion is when timing would end, not start. So the correct option is when the unit has reached the proper temperature.

Answer:

A. When the unit has reached the proper temperature