Final answer:
A slide sheet is a piece of equipment used to prevent skin injury when repositioning a patient in bed.
Step-by-step explanation:
One piece of equipment used to prevent skin injury when repositioning a patient in bed is a slide sheet. A slide sheet is a flat, slippery sheet that can be placed under the patient to reduce friction when moving or repositioning them in bed. It helps to prevent skin shearing and pressure ulcers that can occur during the repositioning process.