Dental Assistant Licensure Exam Mn 2021 100% Verified Answers 2024/2025

After administering N2O and obtaining post-operative vitals, how much variance from pre-operative is considered acceptable? {Ans: Pulse- Within 10 beats Blood Pressure- Within 10 for diastolic and systolic Respirations- Within 5 breaths per minute}What should you use to remove sharp edges and angles on a temporary crown to prevent injury to the gingiva? A) Crown and bridge scissors B) Contouring pliers C) Scaler D) Cotton Pliers E) Ball burnisher {Ans: B) Contouring pliers}Oxygen is in what color tank? {Ans: Green}After placing a sealant, the patient tells you that they can still feel a high spot. What should you do? A) Remove the sealant and start over B) Have the dentist adjust it C) Use a round bur to adjust the sealant D) Tell the patient that the sealant will eventually wear into place {Ans: C) Use a round bur to adjust the sealant}Which of these is an indication for sealant placement? A) Newly erupted tooth B) The adjacent tooth has decay C) Heavy decay on a tooth D) Lack of pit and fissures {Ans: A) Newly erupted tooth}What is the purpose of cavity varnish? {Ans: To seal the tubules}