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.
Registered Nurse vs. LPN. Even though they sound similar, licensed practical nurses and registered nurses have little in common in terms of job tasks, educational paths, and salary ranges. LPNs usually provide more basic nursing care and are responsible for the comfort of the patient.RNs on the other hand, primarily administer medication, treatments, and offer educational advice to patients and the public. Here's a breakdown of the key distinctions between these two in-demand positions.ven though they sound similar, licensed practical nurses and registered nurses have little in common in terms of job tasks, educational paths, and salary ranges. LPNs usually provide more basic nursing care and are responsible for the comfort of the patient.