Which one of the following mechanical devices is used to support the patient’s back?

Correct option is C

Ans (c)
Sol. Bed cradle: This is a device used to keep the bedclothes off a patient's legs, often used to prevent pressure sores or to provide comfort for patients with wounds, burns, or fractures. It does not support the patient's back.
Foot board: A footboard is used to prevent the feet from sliding down the bed or to keep the feet in a certain position, but it does not provide back support.
Back rest: A back rest is a mechanical device used to support and elevate the patient's back while they are in bed. It is commonly used for patients who need assistance with posture or who are bedridden, helping to maintain a more comfortable and upright position.
Cardiac table: This is a piece of equipment used in cardiac surgery or procedures, typically for positioning the patient during heart-related treatments, not for back support.