Dental Hygiene Local Anesthesia Board Review Questions and Answers Latest Version Already Passed

Dental Hygiene Local Anesthesia Board Review Questions and Answers Latest Version Already Passed What is the function of a mandibular block in dental anesthesia? It numbs the lower jaw, including the teeth, gums, and tongue on one side of the mandible. What is the primary factor to consider when choosing a local anesthetic for a patient? The patient’s medical history, including any allergies, pre-existing conditions, and the procedure being performed. What is the recommended course of action if a patient has difficulty speaking after a local anesthesia injection? Reassure the patient that the numbness is temporary and will wear off within a few hours. What is the function of a local anesthetic agent like lidocaine in dental procedures? To block nerve transmission and prevent the sensation of pain in the area being treated. 2 What should a dental hygienist do if a patient exhibits symptoms of a vasovagal reaction (fainting) during or after an injection? Lay the patient down with their feet elevated, monitor their condition, and provide oxygen if needed. What is the role of the needle bevel in local anesthesia administration? The bevel should face the bone to minimize tissue trauma and reduce discomfort during the injection. What is the maximum dosage of lidocaine with epinephrine that can be safely administered to an adult patient? 500 mg of lidocaine with a 1:100,000 epinephrine concentration. What is a common sign that the patient has been over-anesthetized? Excessive numbness or loss of sensation beyond the targeted area, or delayed recovery from anesthesia. What is the primary concern when administering local anesthesia to a pregnant patient? Ensuring that the chosen anesthetic is safe for both the patient and the fetus. 3 What should a dental hygienist do if a patient experiences a hematoma after an injection? Apply pressure to the site, cold compress the area, and monitor for any worsening symptoms. What is the function of a topical anesthetic before administering a local anesthetic injection? To numb the surface tissue and reduce discomfort during the injection. What is the primary purpose of local anesthesia in dental procedures? To block the sensation of pain in the area being treated. What type of needle is commonly used for infiltration injections in dental hygiene? Short needle. What is the first step when administering a local anesthetic injection? Prepare the area by cleaning the site with an antiseptic and ensure proper patient comfort. What is the role of the vasoconstrictor in local anesthesia? To constrict blood vessels, reduce bleeding, and prolong the anesthetic effect. 4 What is the maximum recommended dosage of epinephrine in a local anesthesia injection for a healthy patient? 0.2 mg. How should a dental hygienist confirm that a local anesthetic has been properly administered? By assessing the patient’s response, ensuring the targeted area is numb and non-responsive to stimuli. What is the most common complication of local anesthesia in dental hygiene? Post-injection discomfort or swelling.