It has a major impact, because it hints at the doctor's feelings for Nora and her attempt at manipulation.
Explanation:
Nora and Kristine have not seen each other for years; the meeting serves as a summary of their past lives and provides background information to further understand the characters. Kristine is now a widow who has come to Torvald to obtain employment; she learns that Nora is secretly in debt in effort to pay for her husband's medical treatment in Italy to save his life.
The President pro tempore of the United States Senate is the second-highest-ranking official of the United States Senate, who presides over the chamber in the absence of the vice president.
