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.
To check hot, ignition, lights, dimmer, use a test light or voltmeter. To check speakers use test radio. To check speaker polarity (assuming you don't have a polarity tester): Touch (for a very short period of time) one wire to the positive side of a 1.5-volt battery (any size), and the other wire to the negative side. If speaker pops out, then polarity is correct. If speaker pops in then polarity is reversed.