WREB Written LA Board Review(2023/2024)updated to pass

WREB Written LA Board ReviewUse of ____ is a relative contraindication for ASA III or IV patients with significant cardiovascular disease a) LA with epi 1:200,000 b) A racemic epinephrine gingival retraction cord c) Mepivacaine 3% plain d) Prilocaine 4% - correct answer A racemic epinephrine gingival retraction cord Longer duration of anesthesia is achieved when a) Infection is present b) The injection site is highly vascular c) A nerve block is deposited close to the nerve d) An infiltration is substituted for a nerve block - correct answer A nerve block is deposited close to the nerve The MRD of LA should always be decreased in which of the following cases a) Debilitated patients b) The elderly c) Medically compromised patients d) all of the above - correct answer all of the above Faulty techniques and ____ are the most common reasons for failure to achieve adequate anesthesia a) Ptns anatomical variations b) bad batch of LA c) Hyper-responders d) Use of smallest clinically effective dose - correct answer Ptns anatomical variations The incidence of allergy to ____ is exteremly rare - correct answer Amide local anesthetics The only recommended use of 2% lidocaine with 1:50,000 epi is for: a) increased vasodilation b) increased perfusion c) topical anesthetic d) Hemostasis - correct answer Hemostasis For most dental uses, which of the following is preferred/recommended a) 2% lidocaine plain b) 2% lidocaine 1:50,000 epi c) 2% lidocaine 1:100,000 epi d) 2% lidocaine 1:200,000 epi - correct answer 2% lidocaine 1:100,000 epi Prilocaine plain is recommended for epinephrine sensitive patients a) who require prolonged pupal anesthesia b) Because it is slowly biotransformed c) because it increases the blood's oxygen carrying capacity d) because it is longer acting than bupivicaine - correct answer who require prolonged pupal anesthesia ____ effectively lessens a patient's need for postoperative opiod analgesics a) Articaine b) Bupivicaine