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var D = {“flashcards”:[{“front”:”What does the inferior alveolar nerve block anaesthetise?”,”back”:”Mandibular teeth/body on one side, lower lip, and chin.”},{“front”:”Why is infiltration less reliable in the mandible?”,”back”:”Denser cortical bone limits solution penetration compared to the maxilla.”},{“front”:”What is the method-only dosing formula?”,”back”:”Weight (kg) × mg/kg maximum for the agent, capped at the drug’s overall maximum — confirm figures from current formulary.”},{“front”:”Why aspirate before injecting?”,”back”:”To check for intravascular needle placement before depositing solution.”},{“front”:”What does slow injection technique reduce?”,”back”:”Pain and pressure sensation during delivery.”},{“front”:”When might a plain (vasoconstrictor-free) solution be preferred?”,”back”:”Significant uncontrolled cardiovascular disease or certain medication interactions.”},{“front”:”What are supplemental anaesthesia techniques used for?”,”back”:”Incomplete anaesthesia from a block or infiltration alone.”},{“front”:”What does topical anaesthetic reduce?”,”back”:”Discomfort of initial needle penetration (not deeper deposition sensation).”},{“front”:”What is the most common explanation for ‘it didn’t work’ reports?”,”back”:”A fixable technique or anatomical variation issue, rarely true allergy.”},{“front”:”What should never be estimated for anaesthetic dosing?”,”back”:”The maximum safe dose — always calculate from actual patient weight.”}],”quiz”:[{“q”:”The inferior alveolar block anaesthetises:”,”options”:[“Maxillary teeth only”,”Mandibular teeth, lip, and chin on one side”,”The entire face”,”Only soft tissue”],”answer”:1,”exp”:”It targets the mandibular quadrant and associated soft tissue.”},{“q”:”Infiltration technique is generally more reliable in:”,”options”:[“The mandible”,”The maxilla, due to more porous bone”,”Neither arch”,”Only posterior mandible”],”answer”:1,”exp”:”Maxillary bone porosity favors infiltration success.”},{“q”:”Maximum anaesthetic dose should be calculated using:”,”options”:[“A fixed volume for all patients”,”Actual patient weight against agent-specific mg/kg maximum”,”Guesswork”,”Age alone”],”answer”:1,”exp”:”Weight-based calculation against current formulary limits is correct.”},{“q”:”Aspiration before injection checks for:”,”options”:[“Correct needle gauge”,”Intravascular placement (blood return)”,”Topical anaesthetic effectiveness”,”Patient anxiety level”],”answer”:1,”exp”:”Aspiration detects intravascular placement.”},{“q”:”Slow injection technique primarily reduces:”,”options”:[“Onset time”,”Pain and pressure sensation”,”Total dose needed”,”Duration of anaesthesia”],”answer”:1,”exp”:”Slow delivery reduces discomfort.”},{“q”:”A plain (vasoconstrictor-free) solution may be preferred for patients with:”,”options”:[“No medical history”,”Significant uncontrolled cardiovascular disease”,”Mild anxiety only”,”No indication ever needed”],”answer”:1,”exp”:”Cardiovascular concerns may favor a plain solution.”},{“q”:”Supplemental techniques such as PDL injection are used when:”,”options”:[“Standard technique gives excellent anaesthesia”,”Block/infiltration gives incomplete anaesthesia”,”Never needed”,”Only for children”],”answer”:1,”exp”:”Supplemental techniques address incomplete anaesthesia.”},{“q”:”Topical anaesthetic primarily addresses:”,”options”:[“Deep tissue anaesthesia”,”Discomfort of needle penetration at the mucosal surface”,”Systemic pain”,”Post-operative pain”],”answer”:1,”exp”:”Topical reduces surface penetration discomfort only.”},{“q”:”A patient reporting a previous injection ‘didn’t work’ most likely experienced:”,”options”:[“A true drug allergy”,”A technique or anatomical variation issue”,”No possible explanation”,”Overdose”],”answer”:1,”exp”:”Technique/anatomy issues are far more common than allergy.”},{“q”:”Anaesthetic dose should NEVER be:”,”options”:[“Calculated from weight”,”Estimated or given as a fixed volume regardless of size”,”Confirmed against a formulary”,”Documented”],”answer”:1,”exp”:”Never estimate; always calculate from actual weight.”},{“q”:”A positive aspiration result should prompt the clinician to:”,”options”:[“Inject anyway”,”Reposition the needle before injecting”,”Stop treatment entirely”,”Ignore and proceed”],”answer”:1,”exp”:”Reposition rather than inject at that site.”},{“q”:”Vasoconstrictor-containing solutions offer which benefit?”,”options”:[“Shorter duration only”,”Prolonged anaesthesia and reduced bleeding”,”No clinical benefit”,”Always contraindicated”],”answer”:1,”exp”:”They prolong effect and reduce bleeding.”},{“q”:”The general method-only dosing approach avoids stating:”,”options”:[“The patient’s weight”,”A specific fixed mg/kg number as if universal to all agents”,”The need for a formulary”,”The concept of a maximum”],”answer”:1,”exp”:”Specific mg/kg figures vary by agent and must be confirmed, not memorised as fixed.”},{“q”:”Post-injection instructions should include:”,”options”:[“Nothing specific needed”,”Safety guidance about numbness (e.g. avoiding biting lip/cheek)”,”Only billing information”,”Diet restrictions unrelated to numbness”],”answer”:1,”exp”:”Safety guidance about numbness prevents self-injury.”},{“q”:”Non-pharmacological anxiety management might include:”,”options”:[“Ignoring patient anxiety”,”Explaining steps in advance and offering breaks”,”Rushing the procedure”,”Avoiding communication”],”answer”:1,”exp”:”Clear communication and pacing help manage anxiety.”},{“q”:”Complication signs of intravascular injection may include:”,”options”:[“No symptoms at all”,”Rapid onset tachycardia, anxiety, metallic taste”,”Delayed onset numbness only”,”Improved comfort”],”answer”:1,”exp”:”Rapid systemic symptoms suggest intravascular injection.”},{“q”:”A haematoma after injection typically presents as:”,”options”:[“No visible change”,”Localized swelling/bruising from vessel injury”,”Systemic symptoms”,”Delayed numbness only”],”answer”:1,”exp”:”Haematoma is a localized bleeding/bruising complication.”},{“q”:”Documentation of anaesthesia administration should include:”,”options”:[“Agent, technique, aspiration result, and patient response”,”Only the agent name”,”Nothing beyond verbal note”,”Only if a complication occurs”],”answer”:0,”exp”:”Complete documentation includes all these elements.”},{“q”:”Why should a hygienist confirm which specific injection technique failed previously?”,”options”:[“It doesn’t matter”,”Different failure patterns point to different, usually correctable causes”,”All failures are identical”,”To assign blame to the previous provider”],”answer”:1,”exp”:”Clarifying details helps identify a fixable cause.”},{“q”:”The overall maximum dose cap exists to:”,”options”:[“Allow unlimited dosing for large patients”,”Cap total dose regardless of weight-based calculation result”,”Replace weight-based calculation entirely”,”Apply only to children”],”answer”:1,”exp”:”The overall maximum caps dose even for larger patients.”}]};
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