<prompt> Which of the following drug can prevent or delay the onset of Alzheimer disease?TacrineNSAIDDonepezilNone of the above  <response>: Following drugs have been shown to prevent or delay Alzheimers disease. a. Estrogen replacement therapy b. NSAID c. Selegiline Tacrine and donepezil are used in the treatment of Alzheimers disease. 