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A is corrent. A notice-race statute states that priority among mortgagees claiming an interest in a specific piece of property will be determined based upon the order in which the mortgages were recorded. The party to record first will have the highest priority. Thus, the recording of the mortgage in a state having a notice-race statute is important in determining priority among parties who claim an interest in the real estate.
B is incorrect. A mortgagee need never file a financing statement regarding a mortgage.
C is incorrect. Recording a mortgage in any state does not give the mortgagee additional rights against the mortgagor. Recording a mortgage protects the mortgagee from subsequent good faith purchasers and mortgagees.
D is incorrect. A mortgage which has not been recorded is effective against a purchaser for value who had knowledge of the mortgage.