Local Anesthesia Practice Exam| 53 latest questions and answers

Local Anesthesia Practice Exam| 53 latest questions and answers The mandibular division of the fifth cranial nerve passes through what foramen? - Foramen Ovale The nasopalatine nerve passes through the: - Incisive foramen The maxillary division of the fifth cranial nerve is: mixed sensory and motor sensory only motor only - sensory only Which of the following is NOT associated with the mandibular division of the fifth cranial nerve: Inferior Alveolar Long Buccal Lingual Nasopalatine - Nasopalatine Which injection(s) is necessary to anesthetize the entire palate on one side? - Nasopalatine and Greater Palatine When administering the IANB injection how far would you typically insert the needle? - 3/4 length of needle or 20-25mm During nerve depolarization which ions create an electrical charge? - Potassium/Sodium When administering local anesthetic when do you aspirate? - Immediately before administering the anesthetic Which family of local anesthetics is metabolized by pseudocholinesterase? - Esters Topical anesthetics are least effective when placed upon: - Keratinized tissue Topical anesthetics: a. easily absorbed/transported through bloodstream b. cause little or no systemic problems c. are broken down in the liver d. are more effective than injected anesthetics - b. cause little or no systemic problems Psychogenic pain: - shows no organic causation What is the maximum dose of epi for a cardiac patient? - 0.04mg If a local complication of hemotoma occurs what treatment should be taken? - Immediate application of cold to the area and pressure application to the affected area. Hematoma is most likely to occur when needle enters the : - pterygoid plexus Which compound is used as an antioxidant with in the cartridge? - Sodium bisulfite Vassopressors added to local anesthetic solutions: - reduce bleeding prolong the action of the local anesthetic reduce toxicity by slow absorption Burning sensations upon injection can be attributed to: - pH of solution injection administered too fast Cartridge wiped with alcohol prior to administration Needle breakage occurs most frequently due to: - patient movement bent needle A myelinated nerve: - allows faster conduction of impulses Which area may not be anesthetized by PSA Block? - mesiobuccal root of the maxillary 1st molar