Final answer:
The correct answer is 2 hours. Patients who are confined to bed should be turned every 2 hours to prevent pressure ulcers and maintain comfort.
Step-by-step explanation:
The correct answer to the question is a. 2 hours.
When a patient is confined to bed, it is necessary to turn them frequently to prevent pressure ulcers and maintain their comfort. The general guideline is to turn the patient every 2 hours to distribute pressure and relieve vulnerable areas of the body.
By turning the patient every 2 hours, it helps to promote blood circulation and prevent the development of pressure sores, which can be painful and lead to complications.