LOCAL ANESTHESIA CDCA EXAM Question and
Answer 2026 | Updated Practice Questions with
Detailed Solutions | A+ Verified
• What tissue is easiest to anesthetize with topical anesthesia? -✓✓Non
keratinized mucosal membrane
• What injections do you give for perio treatment on #14, 15 and 16? -
✓✓PSA, MSA, Greater Palatine
• What nerve supplies the tissue to the maxillary anterior lingual? -
✓✓The Naso Palatine Nerve
• What nerve has been anesthetized if the lower lip is numb? -✓✓The
Mental Nerve
• What nerve has been anesthetized if the soft palate is numb? -✓✓The
Lesser Palatine
• A woman has immediate swelling on her face following a PSA
injection. What was the cause? -✓✓Hit the Pteragoid Plexus
• What is the immediate treatment in office for a hematoma? -✓✓Cold
pack
, • What is the recommended treatment to the patient for a hematoma
following the appointment? -✓✓Cold Pack for 1 day, then gentle heat
• What causes trismus? What is the patient care for trismus? -
✓✓Trauma ( too much anesthetic in one place) or TMJ. Tx: Passive
motions then stretching the muscles.
• When does anesthetic expire? -✓✓When the pH increases in the drug
• If you give a PSA, what root may not be anesthetized? -✓✓The MB
root of the first molar
• V3 innervates all but? A. Mental. B. IA. C. Infraorbital. D.
Preauricular -✓✓C. Infraorbital
• Where is the injection site for the buccal injection? -✓✓Buccal and
Distal to the last molar at the height of the occlusal plane.
• The maxillary nerve is primarily? A. Sensory. B. Motor. C. Both -
✓✓A. Sensory
• If you inject 1/3 of the needle on an IA and hit bone, what do you do?
-✓✓Pull out and redirect over the incisors.
Answer 2026 | Updated Practice Questions with
Detailed Solutions | A+ Verified
• What tissue is easiest to anesthetize with topical anesthesia? -✓✓Non
keratinized mucosal membrane
• What injections do you give for perio treatment on #14, 15 and 16? -
✓✓PSA, MSA, Greater Palatine
• What nerve supplies the tissue to the maxillary anterior lingual? -
✓✓The Naso Palatine Nerve
• What nerve has been anesthetized if the lower lip is numb? -✓✓The
Mental Nerve
• What nerve has been anesthetized if the soft palate is numb? -✓✓The
Lesser Palatine
• A woman has immediate swelling on her face following a PSA
injection. What was the cause? -✓✓Hit the Pteragoid Plexus
• What is the immediate treatment in office for a hematoma? -✓✓Cold
pack
, • What is the recommended treatment to the patient for a hematoma
following the appointment? -✓✓Cold Pack for 1 day, then gentle heat
• What causes trismus? What is the patient care for trismus? -
✓✓Trauma ( too much anesthetic in one place) or TMJ. Tx: Passive
motions then stretching the muscles.
• When does anesthetic expire? -✓✓When the pH increases in the drug
• If you give a PSA, what root may not be anesthetized? -✓✓The MB
root of the first molar
• V3 innervates all but? A. Mental. B. IA. C. Infraorbital. D.
Preauricular -✓✓C. Infraorbital
• Where is the injection site for the buccal injection? -✓✓Buccal and
Distal to the last molar at the height of the occlusal plane.
• The maxillary nerve is primarily? A. Sensory. B. Motor. C. Both -
✓✓A. Sensory
• If you inject 1/3 of the needle on an IA and hit bone, what do you do?
-✓✓Pull out and redirect over the incisors.
