CDCA Local Anesthesia Board Exam
Questions and Answers
A patient has liver damage, what should you consider about administering amides? -
ANSWER-Can cause system toxicity. Give cardiac dose
A woman has immediate swelling on her face following a PSA injection. What was the
cause? - ANSWER-Hit the Pteragoid Plexus
How do you dispose of the syringe armamentarium? - ANSWER-Sharpes container
How is the needle usually oriented? - ANSWER-Bevel towards the bone.
How much epinephrine in one cartridge of 2% Lidocaine 1:100,000? - ANSWER-1. Epi
1:100,000- 1g= 1,000mg. 2. 1,000 mg/ 100,000. = 0.01mg/ml x1.8ml =0.018 mg
If a patient has atypical plasma cholinesterase, what drug will they have a problem
metabolizing? - ANSWER-Esters
If a patient received two cartridges of anesthetic, how much volume did they receive? -
ANSWER-Either 3.6 or 3.4
If the patient experiences dehydration of the cornea following treatment, what nerve was
involved? - ANSWER-Ophthalmic Nerve
If you give a PSA, what root may not be anesthetized? - ANSWER-The MB root of the
first molar
If you inject 1/3 of the needle on an IA and hit bone, what do you do? - ANSWER-Pull
out and redirect over the incisors.
If you inject 1ml per minute, what is the expected outcome? - ANSWER-Good outcome
Inserting the needle too far in this injection risks hitting the pterygoid plexus? -
ANSWER-PSA
Local anesthetics decrease depolarization phase of the action potential. What happens
during depolarization? - ANSWER-Sodium and potassium cells are unbalanced
Patient experiences a sharp tingling pain and immediate anesthesia; what happened? -
ANSWER-The needle went through the nerve.
Questions and Answers
A patient has liver damage, what should you consider about administering amides? -
ANSWER-Can cause system toxicity. Give cardiac dose
A woman has immediate swelling on her face following a PSA injection. What was the
cause? - ANSWER-Hit the Pteragoid Plexus
How do you dispose of the syringe armamentarium? - ANSWER-Sharpes container
How is the needle usually oriented? - ANSWER-Bevel towards the bone.
How much epinephrine in one cartridge of 2% Lidocaine 1:100,000? - ANSWER-1. Epi
1:100,000- 1g= 1,000mg. 2. 1,000 mg/ 100,000. = 0.01mg/ml x1.8ml =0.018 mg
If a patient has atypical plasma cholinesterase, what drug will they have a problem
metabolizing? - ANSWER-Esters
If a patient received two cartridges of anesthetic, how much volume did they receive? -
ANSWER-Either 3.6 or 3.4
If the patient experiences dehydration of the cornea following treatment, what nerve was
involved? - ANSWER-Ophthalmic Nerve
If you give a PSA, what root may not be anesthetized? - ANSWER-The MB root of the
first molar
If you inject 1/3 of the needle on an IA and hit bone, what do you do? - ANSWER-Pull
out and redirect over the incisors.
If you inject 1ml per minute, what is the expected outcome? - ANSWER-Good outcome
Inserting the needle too far in this injection risks hitting the pterygoid plexus? -
ANSWER-PSA
Local anesthetics decrease depolarization phase of the action potential. What happens
during depolarization? - ANSWER-Sodium and potassium cells are unbalanced
Patient experiences a sharp tingling pain and immediate anesthesia; what happened? -
ANSWER-The needle went through the nerve.
