Which position involves a flat bed?

The supine position involves the patient lying flat on their back on the bed. This position is commonly used in various healthcare situations, such as during examinations, certain medical procedures, or when the patient needs to rest comfortably. It provides support to the spine and can help with breathing, as well as providing easy access for healthcare providers to assess the patient.

In contrast, Fowler's and High Fowler's positions involve the head of the bed being elevated to different angles, typically for patients who may have difficulty breathing or for those receiving certain treatments. The prone position entails the patient lying flat on their stomach, which is distinct from the supine position. These other positions do not involve the bed being flat, which is why the supine position is the only one that fits the description of having a flat bed.