Final answer:
In a healthcare setting, every patient sleeping room must have an outside window or door for safety, light, and ventilation.
Step-by-step explanation:
The subject of the question pertains to the safety requirements for patient sleeping rooms in a healthcare setting. Specifically, the question asks what every patient sleeping room must have. According to basic safety and building codes, every patient sleeping room requires an outside window or door.
This feature is important for natural light, ventilation, and serves as a potential egress point in case of an emergency such as a fire. While having a portable fire extinguisher, a manual fire alarm box, and beds equipped with wheels or casters may contribute to overall safety and convenience, these are not the singular requirements for a patient sleeping room. It is essential to know the location of safety equipment like the fire extinguisher and the eyewash station in a medical facility, but these do not specifically relate to the requirement of having an exterior window or door in patient rooms.