But the tire speed rating system isnât without its quirks. For instance, the systemâs European roots give it unusual mile per hour maximums. Another such quirk is that the letter âHâ is out of place. Instead of appearing after âG,â it falls between âUâ and âVâ as does the speed to which it corresponds.
Among them: 1  RNs tend to have more responsibilities and independence in the workplace than LPNs. 2  RNs must usually complete more training than LPNs. 3  LPNs are in higher demand than RNs, nationally speaking.  RNs tend to earn more than LPNs.
Comparing the RN and BSN: Whatâs the Difference? Many people are unfamiliar with the different types of nursing credentials. Nurses may hold one of several types of degrees ranging from the licensed practical nurse (LPN) to a Master of Nursing (MSN) or doctorate (DNP). One of the most commonly confused comparisons is that of the Registered Nurse (RN) and the Bachelor of Science in Nursing (BSN) prepared nurse.