Final answer:
The nurse should recommend playing dress-up and creating a scrapbook, as these activities support social development and promote creativity and social interactions for preschoolers.
Step-by-step explanation:
The nurse should recommend play activities that enhance social development in preschoolers. Among the options presented, playing dress-up stands out as a beneficial activity, as it fosters creativity, role play, and social interactions. During this form of play, children can explore different social roles and gender norms, which is crucial for their socialization and understanding of the world. It is also in line with the developmental task of initiative versus guilt, described by Erikson, where children can assert control and express their creativity in a social context. Creating a scrapbook can also be a social activity if done with others, as it encourages sharing memories and working together. Playing pat-a-cake and using a push-pull toy are more suitable for younger children, focusing on motor skills and physical development rather than complex social interactions.