President Obama, flanked by outgoing Health and Human Services Secretary Kathleen Sebelius (left) and his nominee to be her replacement, Budget Director Sylvia Mathews Burwell, speaks in the Rose Garden of the White House Friday. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

HHS found that 19 percent of nurse aides who'd been disciplined had a prior conviction that would have shown up on a background check. Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP

Dolphin bite? There's a medical code for that. Simone Di Tonno - Annachiara Fig/iStockphoto.com hide caption

itoggle caption Simone Di Tonno - Annachiara Fig/iStockphoto.com