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A physical therapist comes into the clinic in the morning and notices that the hot pack machine was unplugged overnight. Which guideline would be the MOST appropriate after plugging in the hot pack unit?1.Wait to use a hot pack for a minimum of one hour2.Wait to use a hot pack until the following day3.Wait to use a hot pack until the water in the unit reaches 160 degrees Fahrenheit'4.Wait to use a hot pack until the unit is formally inspected by a qualified individual
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