LOCAL ANESTHESIA -CDCA BOARD EXAM
Questions and Correct Answers Latest
Update 2026
What type of pain is inflicted on a patient when we give a local
anesthesia injection? --- correct answer ---Somatic
Pain is multidimensional and often requires more than one treatment
modality (T/F) --- correct answer ---True
Why is the debriefing process (when used in conjunction with the
PREP strategy) helpful for patients during treatment planning? ---
correct answer ---- It allows for patient-to-clinician discussion after
the procedure
- It gives the patient a voice in his or her own care
- The information gleaned from the debriefing can be used for future
appointments
Which of the following pharmacological interventions for patient
anxiety are the more commonly used approaches?
- Benzodiazepines
,- IV sedation
- Nitrous oxide
- General anesthesia --- correct answer ---Benzodiazepines and
nitrous oxide
What are the nerves that conduct signals from sensory neurons to the
spinal cord or brain called? --- correct answer ---Afferent nerves
What are the endogenous chemicals that transmit signals from a
neuron to a target cell across a synapse called? --- correct answer ---
Neurotransmitters
What type of rapid electrical impulse propagation jumps down the
axon between the nodes of ranvier? --- correct answer ---Saltatory
conduction
Which type of fibers are responsible for burning dental pain and are
easily affected by local anesthesia? --- correct answer ---C fibers
What can happen during the absolute refractory period of
depolarization? --- correct answer ---No action potential can be
initiated at this time
,What is the study of how a drug enters the body, circulates within the
body, is changed by the body, and leaves the body. --- correct answer -
--Pharmacokinetics
Local anesthesia injections are considered to be a what route of
administration? --- correct answer ---Parenteral
The most potent local anesthetic is bupivacaine, which has the
greatest degree of lipid solubility (T/F) --- correct answer ---True
What factor/factors influence the duration of the effects of local
anesthetic? --- correct answer ---- Degree of protein binding
- Vascularity of injection site
- Addition or absence of vasoconstrictor
All local anesthetic injectable drugs today are amide drugs. procaine
was the only injectable ester, but it is no longer manufactured for
dental use (first statement, second statement) --- correct answer ---
Both statements are true
, A comparison of levonordefrin and epinephrine revels that hemostasis
is less effective with the vasoconstrictor epinephrine (T/F) --- correct
answer ---False
How long do adverse effects of vasoconstrictors last in the body? ---
correct answer ---5 to 10 minutes
You have administered 2% lidocaine with 1:50,000 mg/mL
epinephrine to a healthy patient. The patient experiences restlessness,
nausea, and begins to hyperventilate. What should you suspect? ---
correct answer ---Overdose of epinephrine
Which ingredient added to the dental cartridge alkalinizes, or adjusts
the pH, of the solution between 6 and 7? --- correct answer ---Sodium
hydroxide
Which represents the HIGHEST concentration of epinephrine? ---
correct answer ---1:1,000 epinephrine
What type of injection if near the primary nerve trunk at a greater
distance from the area of infiltration? --- correct answer ---Nerve
block injection
Questions and Correct Answers Latest
Update 2026
What type of pain is inflicted on a patient when we give a local
anesthesia injection? --- correct answer ---Somatic
Pain is multidimensional and often requires more than one treatment
modality (T/F) --- correct answer ---True
Why is the debriefing process (when used in conjunction with the
PREP strategy) helpful for patients during treatment planning? ---
correct answer ---- It allows for patient-to-clinician discussion after
the procedure
- It gives the patient a voice in his or her own care
- The information gleaned from the debriefing can be used for future
appointments
Which of the following pharmacological interventions for patient
anxiety are the more commonly used approaches?
- Benzodiazepines
,- IV sedation
- Nitrous oxide
- General anesthesia --- correct answer ---Benzodiazepines and
nitrous oxide
What are the nerves that conduct signals from sensory neurons to the
spinal cord or brain called? --- correct answer ---Afferent nerves
What are the endogenous chemicals that transmit signals from a
neuron to a target cell across a synapse called? --- correct answer ---
Neurotransmitters
What type of rapid electrical impulse propagation jumps down the
axon between the nodes of ranvier? --- correct answer ---Saltatory
conduction
Which type of fibers are responsible for burning dental pain and are
easily affected by local anesthesia? --- correct answer ---C fibers
What can happen during the absolute refractory period of
depolarization? --- correct answer ---No action potential can be
initiated at this time
,What is the study of how a drug enters the body, circulates within the
body, is changed by the body, and leaves the body. --- correct answer -
--Pharmacokinetics
Local anesthesia injections are considered to be a what route of
administration? --- correct answer ---Parenteral
The most potent local anesthetic is bupivacaine, which has the
greatest degree of lipid solubility (T/F) --- correct answer ---True
What factor/factors influence the duration of the effects of local
anesthetic? --- correct answer ---- Degree of protein binding
- Vascularity of injection site
- Addition or absence of vasoconstrictor
All local anesthetic injectable drugs today are amide drugs. procaine
was the only injectable ester, but it is no longer manufactured for
dental use (first statement, second statement) --- correct answer ---
Both statements are true
, A comparison of levonordefrin and epinephrine revels that hemostasis
is less effective with the vasoconstrictor epinephrine (T/F) --- correct
answer ---False
How long do adverse effects of vasoconstrictors last in the body? ---
correct answer ---5 to 10 minutes
You have administered 2% lidocaine with 1:50,000 mg/mL
epinephrine to a healthy patient. The patient experiences restlessness,
nausea, and begins to hyperventilate. What should you suspect? ---
correct answer ---Overdose of epinephrine
Which ingredient added to the dental cartridge alkalinizes, or adjusts
the pH, of the solution between 6 and 7? --- correct answer ---Sodium
hydroxide
Which represents the HIGHEST concentration of epinephrine? ---
correct answer ---1:1,000 epinephrine
What type of injection if near the primary nerve trunk at a greater
distance from the area of infiltration? --- correct answer ---Nerve
block injection
