Sentence:  "This shocking report proves once again that we urgently need a radical shake-up of hospital care," said Jeremy Hughes, chief executive of the Alzheimer's Society. "Given that people with dementia occupy a quarter of hospital beds and that many leave in worse health than when they were admitted, it is unacceptable that training in dementia care is not the <WSD>norm</WSD>." 
Meaning of the word marked with <WSD> tags:  That which is normal or typical.