Admission requirements for PA programs vary according to the institution and type of degree, but there are some common requirements you may see in most schools. It is common for schools to require previous work experience as a nurse, medical assistant, emergency medical technician, or medical technologist.
Change, dim, increase brightness in Windows. Normally one clicks the battery icon sitting in the notification area, selects Adjust screen brightness and then moves the slider to the left to reduce the screen brightness. In spite of having done this, I felt that the screen was too bright and I was getting slight headaches due to regular use.
Lighting can be turned on, off, or dimmed with a building automation or lighting control system based on time of day, or on occupancy sensor, photosensors and timers. One typical example is to turn the lights in a space on for a half-hour since the last motion was sensed.