A 15-month-old is admitted to the hospital for hernia surgery. When his mother leaves him, he cries inconsolably. Using knowledge of attachment theory and cognitive theory, which is the best nursing...

A 15-month-old is admitted to the hospital for hernia surgery. When his mother leaves him, he cries inconsolably. Using knowledge of attachment theory and cognitive theory, which is the best nursing action?

1. Encourage his mother to stay with him as much as possible.

 2. Put a picture of his mother in his crib to remind him that she will return soon.

3. Hold and cuddle him as much as possible.

 4. Distract him with toys and music.