Situation : Care of clients with tracheotosmy is often a challenge to a beginning nurse. The following questions will test your knowledge on Tracheostomy and its related care. Q. The nurse knows that in Tracheostomy creation, 1% Lidocaine and 1:100,000 Epinephrine is injected at the incision site. The purpose of Lidocaine is mainly to provide anesthetic effect while the Epinephrine is needed to: