Dental Hygiene Local Anesthesia Complete Exam Study Questions with 100% Correct Answers Already Graded A+

Dental Hygiene Local Anesthesia Complete Exam Study Questions with 100% Correct Answers Already Graded A+ 1. What is the continuing education requirement for dental hygienists in Michigan? - ANSWER 15 hours of didactic study and 14 hours of clinical experience. 2. What examination must be completed for certification in Michigan? - ANSWER Completion of the NERB examination within 18 months of taking a course. 3. What is the requirement for patient age in Michigan for local anesthesia administration? - ANSWER Patients must be at least 18 years or older. 4. Nerve NOT associated with the mandibular nerve branch - ANSWER Infraorbital nerve 5. Teeth that PSA innervates - ANSWER 1st, 2nd, and 3rd maxillary molars, but may not innervate MB root of the maxillary 1st molar 6. What injection is needed to anesthetize lingual of max anterior - ANSWER Nasopalatine 7. What injections are needed to anesthetize the entire palate on one side - ANSWER Greater Palatine and Nasopalatine 8. How far do you insert the needle on an IANB? - ANSWER 20-25 mm or 3/4 the length of the needle 9. What happens during depolarization? - ANSWER Sodium in and Potassium out 10. When do you aspirate? - ANSWER Right before anesthetic is to be deposited 11. Which local anesthetic is metabolized by pseudo cholinesterase? - ANSWER Esters 12. Topical anesthetics are least effective on? - ANSWER Keratinized tissues 13. Which is true of topical anesthetics? - ANSWER No systemic problems 14. Which has the highest occurrence of allergic reactions - ANSWER Ester option; Benzocaine. 15. What is the significance of giving an amide anesthetic to a patient with cirrhosis? - ANSWER Due to amide anesthetics being metabolized by the liver. 16. What is the landmark for the IANB injection? - ANSWER Coronoid notch 17. Psychogenic pain - ANSWER No organic base for the pain 18. Max epi dose for cardiac & normal pt - ANSWER Cardiac- .04mg Normal- .2mg 19. What is trismus? - ANSWER Limited opening of mouth 20. Management of hematoma - ANSWER Cold compression and pressure to bleeding site 21. Management of trismus - ANSWER Heat therapy, saline rinses, asprin and jaw exercises 22. What law was implemented in Colorado regarding local anesthesia supervision? - ANSWER CO SB 25-194 passed in 2025 allows unsupervised administration of local anesthesia. 23. Since when have dental hygienists been utilizing local anesthesia in the United States? - ANSWER Since 1971 in Washington and since 1977 in Colorado. 24. What are the indications for using local anesthesia in dental hygiene? - ANSWER Patients with periodontal disease, as they have more inflammation, pain, and bleeding. 25. What are some benefits of local anesthesia in dental procedures? - ANSWER Controls pain, decreases sensitivity, controls bleeding, allows better access to pockets, and increases operator efficiency. 26. What is the difference between pain perception and pain reaction? - ANSWER Pain perception is the process of receiving and transmitting pain, while pain reaction is the integration and appreciation of pain based on experiences. 27. What are the pathways for pain perception? - ANSWER Afferent pathways carry signals from the periphery to the CNS, and efferent pathways carry signals from the CNS to the periphery. 28. What factors can affect a patient's pain threshold? - ANSWER Emotional state, fatigue, age, ethnicity, gender, fear, and apprehension. 29. What are some methods of controlling pain in dental hygiene? - ANSWER Removing the cause, blocking painful impulses (local anesthesia), raising pain threshold (analgesics), and preventing pain (general anesthesia). 30. How does pain relate to anxiety in dental patients? - ANSWER Pain can cause anxiety, and anxiety can increase the perception of pain. 31. What is the Visual Analog Scale (VAS)? - ANSWER A tool used to measure a patient's pain level. 32. What are common signs of anxiety in dental patients? - ANSWER Fidgeting, sitting on the edge of a chair, wringing hands, flipping magazine pages, and startling reactions. 33. What are some strategies for managing anxiety in dental patients? - ANSWER Patient education, control, behavior management, modeling, distraction, relaxation, systemic desensitization, biofeedback, and hypnosis.