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.
LPN vs LVN. For anyone who has ever been in a hospital, either as a patient or a visitor, will know that there is a variety of clinicians who participate in the care of the patient. Two of these caregivers are the Licensed Practical Nurses (LPN) and Licensed Vocational Nurses (LVN).PN vs LVN. For anyone who has ever been in a hospital, either as a patient or a visitor, will know that there is a variety of clinicians who participate in the care of the patient. Two of these caregivers are the Licensed Practical Nurses (LPN) and Licensed Vocational Nurses (LVN).