WARRENSBURG — Students at the Warrensburg Area Career Center demonstrated how they would respond to an emergency situation for members of the Johnson County Emergency Management Agency on Friday, Dec. 10.  The practical exercise is required for Community Emergency Response Team certification. The mock disaster exercise is a culmination of what students have learned in health sciences courses offered at WACC.  WACC instructor Mike Wakeman said the WACC hosts the CERT exercise for one semester every other year.  “This will get them CERT certification, it also teaches them a lot of first aid skills and triage and how to evaluate,...