One function of Dr. Rank in the play is to foreshadow events to come. Upon Rank 's introduction in Act I, the reader is immediately given insight into the conflict Nora will face with Krogstad. Rank provides the reader with minute details into Krogstad 's past that will help in understanding his desperate blackmail attempt. The reader can begin to see this in Rank 's statement to Nora and Mrs. Linde: "Oh, it 's a lawyer, Krogstad, a type you wouldn 't know. His character is rotten to the root--but even he began chattering all-importantly about how he had to live" (1574). Rank also foreshadows the change of society that is a constant throughout the play. One can begin to see this foreshadowing in the statement Rank makes about the morally sick being forgiven, "That 's the concept that 's turning society into a sanatorium" (1574). Through these insights, Dr. Rank provides the reader with an ability to form opinions important to the plot.
Ibsen also uses Rank as a symbolic tool, enabling the reader to look deeper into the plot. Dr. Rank is used as a symbol of a dying society as the main characters in the play portrayed it to be. Rank 's illness, tuberculosis of the spine, is used by Ibsen as a symbol of the deteriorating backbone of society. It is also believed that Rank 's illness is a product of his morally corrupt father, which widens the connection with society 's ignorant beliefs. On the night of Rank 's final