The practical nurse (PN) is told that she keeps her 2-year-old child in a playpen so he will not get dirty. Which statement should the PN use in responding to this concern about using a playpen?

Overconcern about appearance can be harmful.

Playpens provide a sense of security for the child.

Playpens provide a safe environment for a toddler.

Children need time to actively explore their environment.