LOCAL ANESTHESIA - CDCA BOARD EXAM Questions and 100%
Correct Answers | Latest Update 2026-2027 | Guaranteed Pass
| Graded A+!!
What type of pain is inflicted on a patient when we give a local
anesthesia injection? --- correct answer ---Somatic
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
Pain is multidimensional and often requires more than one treatment
modality (T/F) --- correct answer ---True
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
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
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
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
Correct Answers | Latest Update 2026-2027 | Guaranteed Pass
| Graded A+!!
What type of pain is inflicted on a patient when we give a local
anesthesia injection? --- correct answer ---Somatic
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
Pain is multidimensional and often requires more than one treatment
modality (T/F) --- correct answer ---True
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
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
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
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
