Critical care nurses generally work in places such as intensive care units or burn centers. They provide assistance to patients with life-threatening illnesses or conditions such as surgery or serious infections. Students interested in critical care might take courses such as physiology, chemistry, and microbiology.

A masters is earned after students complete an undergraduate degree program. To obtain a masters, you usually need to complete 12 to 18 college courses that often involve completing comprehensive tests and/or a thesis.