PA EFDA Exam Prep [Dentistry Board] 2024/2025 Updated & Verified!

PA EFDA Exam Prep [Dentistry Board] 2024/2025 Updated & Verified! 1. Which of the following tasks can an Expanded Functions Dental Assistant (EFDA) perform that a traditional dental assistant may not? Applying sealants - Administering local anesthesia - Diagnosing dental conditions - Performing surgical procedures 2. During a dental procedure, which of the following is the appropriate sterilization method for reusable instruments? Autoclaving - Wiping with alcohol - Using disposable covers - Rinsing under hot water 3. What is the correct step for an EFDA to take before placing a dental sealant? Clean and etch the tooth surface - Apply fluoride varnish - Take an impression of the tooth - Use a scaler to remove plaque 4. In four-handed dentistry, what is the role of the EFDA during a restorative procedure? 2 Suctioning and passing instruments to the dentist - Administering anesthesia to the patient - Diagnosing cavities and decay - Taking X-rays during the procedure 5. What is the main purpose of rubber dam placement during dental procedures? - Isolate the tooth for better visibility Prevent contamination from saliva - Minimize bleeding during surgery - Reduce patient discomfort 6. An EFDA is responsible for ensuring accurate dental charting. What is typically recorded during this process? Existing restorations and decay - Patient’s medical history - Types of anesthesia used - Appointment follow-up details 7. Which dental material is commonly used by EFDAs for creating temporary restorations? - Amalgam Composite resin - Porcelain - Stainless steel 3 8. What should an EFDA do if a patient exhibits signs of distress during a procedure? - Continue the procedure but work faster Pause the procedure and alert the dentist - Administer nitrous oxide to calm the patient - Offer the patient water to relax 9. How should an EFDA dispose of needles and other sharp objects after a procedure? Place them in a designated sharps container - Throw them in the regular trash - Soak them in disinfectant before disposal - Place them in a sealed plastic bag 10. What is the best practice for infection control during dental procedures? Wear personal protective equipment (PPE) like gloves, masks, and eyewear - Wipe the patient’s face with alcohol before the procedure - Sterilize gloves before touching instruments - Use only disposable instruments 11. What should an EFDA check before placing a dental crown? - The patient’s medical history The fit and bite alignment of the crown - The color of the patient’s teeth 4 - The cost of the procedure 12. Which of the following is NOT an Expanded Function that an EFDA might perform? Administering general anesthesia - Applying fluoride treatments - Taking impressions for dental appliances - Placing and finishing fillings 13. What is the EFDA’s role during a fluoride varnish application? Drying the teeth and applying the varnish with a brush - Diagnosing tooth decay and applying the treatment - Prescribing fluoride supplements - Injecting fluoride directly into the gum tissue 14. What should an EFDA do before seating a patient for a procedure? Review the patient’s medical and dental history - Adjust the dental chair to its highest position - Sterilize the patient’s mouth with alcohol - Hand the patient a post-treatment care guide 15. What is the purpose of etching the tooth surface before placing a restoration? - To make the tooth smoother for easier placement To roughen the surface for better bonding 5 - To sterilize the tooth - To check for underlying cavities 16. During a dental impression, what material is commonly used by an EFDA? Alginate or polyvinyl siloxane - Porcelain or ceramic - Amalgam - Stainless steel 17. What is the appropriate action if a temporary crown falls off while the patient is waiting for a permanent crown? Re-cement the temporary crown - Schedule a new appointment for the permanent crown - Leave the tooth exposed until the permanent crown is ready - Perform a full dental cleaning 18. How often should an EFDA change gloves during a procedure? - Only at the end of the procedure Whenever they become contaminated or torn - Every 30 minutes - Before touching any sharp instruments 19. What is the correct way to handle dental impressions after they are taken? 6 Rinse them with water and disinfect before sending to the lab - Store them in a sealed plastic bag immediately - Freeze them to preserve accuracy - Dry them completely before transport 20. When should an EFDA offer a patient post-procedure instructions? Immediately after the procedure is completed - Before the procedure begins - During the next scheduled appointment - Only if the patient asks 21. In the event of a medical emergency in the dental office, what should an EFDA do first? Alert the dentist and begin basic life support if needed - Call the patient’s family for assistance - Continue the procedure and finish quickly - Leave the room to find the emergency kit 22. What is the EFDA’s role in taking dental radiographs? Positioning the patient and film correctly - Interpreting the X-ray results - Adjusting the X-ray exposure levels - Diagnosing the condition from the X-rays 7 23. Which of the following is essential in preventing cross-contamination in a dental setting? - Using new instruments for each patient Following strict sterilization and barrier techniques - Washing hands once at the beginning of the day - Wearing gloves for invasive procedures only 24. When assisting with a tooth extraction, what should the EFDA do? Provide suction and pass instruments to the dentist - Extract the tooth and place sutures - Apply local anesthesia to the patient - Diagnose any complications during the procedure 25. What is the correct protocol for handling a dental instrument that falls on the floor during a procedure? Immediately remove it and replace it with a sterilized instrum