WREB review LA questions with correct answers

How much anesthetic should be deposited when administering the PSA? CORRECT ANSWER 0.9-1.8 ml Hematoma CORRECT ANSWER the collection of blood under the skin as the result of blood escaping into the tissue from damaged blood vessels. bruise What is the most common medical emergency in dentistry? CORRECT ANSWER Vasopressor syncope or fainting What does the mental nerve block anesthetize? CORRECT ANSWER 1rst premolar, buccal mucous membrane to midline , skin of the lower lip What does the Buccal nerve block anesthetize? CORRECT ANSWER soft tissue buccal to the molars What is the most common cause of toxicity to LA CORRECT ANSWER rapid intrvascular injection How much of the nerve must be bathed in LA to achieve anesthesia? CORRECT ANSWER 6-10mm Which cranial nerve is involved with the sensory innervation of the teeth, bone, and soft tissues of the oral cavity? CORRECT ANSWER Trigeminal Name the nerve which provides sensory innervation to the buccal gingiva of the mandibular molars and the mucobuccal fold in that region? CORRECT ANSWER Long buccal