I make mine because I have a pear-shaped figure and regular scrub tops don't fit me right. They are too wide in the shoulders and too narrow in the hips(on me). I bought a pattern for standard...
An addition to the above: Your state board of nursing web site or the Dept. of Health, or whoever does nursing licensing in your state should list refresher courses for your state.
It depends on how long you have been out of nursing. I live in Washington state and the limit is 3 years. I had to take a refresher course. Here, there several kinds. Some colleges give a month...
You will find after about 3 weeks of being a letter carrier that you are bored out of your mind!! I am going back into nursing after a 9 year hiatus for the intellectual stimulation.