LOCAL ANESTHESIA CDCA EXAM Question and
Answer 2026 | Full Practice Test Workbook with
Explanations | Grade A+
• The ophthalmic division exits the skull through which foramen? -
✓✓superior orbital fissure
• what division of the trigeminal nerve is the largest? -✓✓mandibular-
v3
• inadvertent anesthesia of facial nerve can occur with which injection?
-✓✓IA-inferior alveolar injection
• what is the purpose of the bevel? -✓✓decrease deflection
• is topical (benzocaine) absorbed systemically? -✓✓no
• What cause would you expect if a patient had a lesion on the lower lip
the day after? -✓✓trauma
• Which one transmits impulses faster? A myelinated nerve or
unmyelinated nerve -✓✓myelinated
• How should you recap a needle? -✓✓One-handed scoop technique
,• Should the bevel be towards or away from bone? -✓✓against/towards
bone
• When do you aspirate? -✓✓right before anesthetic is deposited
• what part of the syringe indicates it is an aspirating syringe? -
✓✓harpoon
• What tissue is local anesthetic least effective on? -
✓✓keratinized/palatal
• what local anesthetic is metabolized by pseudocholinesterase? -
✓✓esters
• where are amides metabolized? -✓✓liver
• Which antiseptic should not be used? -✓✓alcohol
• the coronoid notch is a landmark for which injection? -✓✓inferior
alveolar
• what could happen if you insert the needle into the hub? -✓✓breakage
, • what is the possible cause of pain upon removal of the needle? -
✓✓needle barb
• how does a self aspirating syringe work? -✓✓when you let off
pressure, it aspirates
• what is the maximum recommended dose for a normal patient -✓✓0.2
mg
• what is the maximum recommended dose for a cardiac patient? -
✓✓0.04 mg
• What causes a hematoma? -✓✓Injecting in the pterygoid plexus
during a PSA injection
• how much volume is in a single cartridge of LA? -✓✓1.8 (1.7 ml)
• How much volume is in 2 cartridges? -✓✓3.6 ml (3.4)
• which needle gauge is the smallest? -✓✓30
• which needle gauge is the largest? -✓✓25
Answer 2026 | Full Practice Test Workbook with
Explanations | Grade A+
• The ophthalmic division exits the skull through which foramen? -
✓✓superior orbital fissure
• what division of the trigeminal nerve is the largest? -✓✓mandibular-
v3
• inadvertent anesthesia of facial nerve can occur with which injection?
-✓✓IA-inferior alveolar injection
• what is the purpose of the bevel? -✓✓decrease deflection
• is topical (benzocaine) absorbed systemically? -✓✓no
• What cause would you expect if a patient had a lesion on the lower lip
the day after? -✓✓trauma
• Which one transmits impulses faster? A myelinated nerve or
unmyelinated nerve -✓✓myelinated
• How should you recap a needle? -✓✓One-handed scoop technique
,• Should the bevel be towards or away from bone? -✓✓against/towards
bone
• When do you aspirate? -✓✓right before anesthetic is deposited
• what part of the syringe indicates it is an aspirating syringe? -
✓✓harpoon
• What tissue is local anesthetic least effective on? -
✓✓keratinized/palatal
• what local anesthetic is metabolized by pseudocholinesterase? -
✓✓esters
• where are amides metabolized? -✓✓liver
• Which antiseptic should not be used? -✓✓alcohol
• the coronoid notch is a landmark for which injection? -✓✓inferior
alveolar
• what could happen if you insert the needle into the hub? -✓✓breakage
, • what is the possible cause of pain upon removal of the needle? -
✓✓needle barb
• how does a self aspirating syringe work? -✓✓when you let off
pressure, it aspirates
• what is the maximum recommended dose for a normal patient -✓✓0.2
mg
• what is the maximum recommended dose for a cardiac patient? -
✓✓0.04 mg
• What causes a hematoma? -✓✓Injecting in the pterygoid plexus
during a PSA injection
• how much volume is in a single cartridge of LA? -✓✓1.8 (1.7 ml)
• How much volume is in 2 cartridges? -✓✓3.6 ml (3.4)
• which needle gauge is the smallest? -✓✓30
• which needle gauge is the largest? -✓✓25
