Answer to Question 1
autonomy; shame and doubt
The toddler is in Erikson's stage of autonomy versus shame and doubt, which is based on a continuum of trust established during infancy
Answer to Question 2
regression
Regression occurs when a situation causes the person to go back to a less mature manner of coping. Faced with the new situation, in this case a hospital admission, the toddler reverts to an earlier coping mechanism in which potty training has no part. The same regression frequently appears when a new infant is introduced to the family circle, or when a traumatic event such as a death or divorce affects the family