Train and Test at Your Own Convenience. Your BLS recertification course completion is easily achieved via a 100% online option and you can easily study when you feel like it and take your exam any time, day or night. You will get instant results after finishing the test, and can print your certification proof instantly. immediate results and proof of certification delivered instantly. You can take your BLS final exam from anywhere at any time. Just log in through your smartphone, tablet, laptop, or desktop PC.