<prompt> Which of the following is characteristic of the rash of measles:Begins as a maculopapular rash, then becomes vesicularSlapped cheek appearance and lacy reticular patternPustules on an erythematous baseMaculopapular eruption staing on upper trunk and spreading downward  <response>: Characteristic of the rash of measles: Maculopapular eruption staing on upper trunk and spreading downward Begins as a maculopapular rash, then becomes vesicular- seen in chicken pox Slapped cheek appearance and lacy reticular pattern- seen in Erythema infectiosum 