CDCA EXAM LOCAL ANESTHESIA BOARD
EXAM | QUESTIONS AND ANSWERS
RATED A+ | 2026/2027 GUIDE
The patient experienced a sharp pain when the needle was inserted.
This is most likely related to the:
- Correct Answer - needle contracting the needle sheath
What can a patient do to stop a hematoma from spreading as soon as it
appears?
- Correct Answer - apply ice on the area
Which of the following conditions may happen if a needle did not contact
the bone when administering an IA nerve block?
- Correct Answer - facial nerve paralysis
What category of patients are more prone to overdose?
- Correct Answer - pregnant women and children
What should the clinician provide for a patient who is experiencing
hypoglycemia and angina?
- Correct Answer - Glucose, and nitroglycerin
The patient that you are treating starts to feel swelling in her throat. You
also notice that her blood pressure has dropped after the local
anesthesia injection. What can the clinician do to manage this situation?
- Correct Answer - provide epinephrine
,Psychogenic pain describes:
- Correct Answer - pain due to emotional stress
"basic without organ pain"
If a patient develops anaphylaxis, the clinician should provide:
- Correct Answer - Epinephrine and oxygen
The patient is experiencing tremors, numbness in the extremities. The
patient is also very talkative, and then suddenly lost consciousness.
Which condition did the patient most likely experience?
- Correct Answer - overdose
The patient is currently taking Elavil( tricyclic antidepressant). What
should be avoided when administering LA?
- Correct Answer - Avoid levonordefrin
What can the patient do to relieve trismus?
- Correct Answer - apply heat
While the patient was lying in supine position awaiting for dental
treatment, she experiences a sudden pain in the chest that lasted about
3 minutes and resolved on its own. This is most likely to be:
- Correct Answer - angina
The patient is affected by cirrhosis:
- Correct Answer - The anesthetic drug would be metabolized at a
slower rate
Which method can best resolve symptoms associated with trismus?
- Correct Answer - heat compress with normal eating
,When providing local anesthesia for a child, which is NOT true?
- Correct Answer - use topical anesthetics instead of injections if
possible
Which is related to early signs of local anesthesia toxicity?
- Correct Answer - CNS excitation
The patient may experience burning pain upon a local anesthesia
injection because:
- Correct Answer - The pH of the solution is low
Which type of adverse reaction is related to elevated levels of drugs in
the blood?
- Correct Answer - overdose reaction
Which injection is needed to anesthetize the palatal tissues around the
left maxillary molar?
- Correct Answer - Greater palatine nerve block
Local anesthetic mainly:
- Correct Answer - Decrease the rate of depolarization
Which of the following anesthesia is contraindicated in patients with
COPD?
- Correct Answer - Prilocaine
Which of the following is needed to anesthetize the maxillary posterior
teeth?
, - Correct Answer - Posterior superior alveolar nerve
During aspiration, you see blood rapidly coming through the cartridge.
What should be the next step in this solution?
- Correct Answer - Remove the needle and replace the cartridge
A hematoma quickly appears after a PSA nerve block. which of the
following may have caused the hematoma?
- Correct Answer - The needle penetrated the pterygoid plexus of veins
At the end of the dental appointment, you noticed that one side of the
patient's face is "drooping". What could have caused this change?
- Correct Answer - Local anesthetic was deposited into the parotid gland
Which of the following provides sensory innervation to the soft palate?
- Correct Answer - Lesser palatine nerve
For the administration of an IA nerve block, how much of the long needle
should penetrate the tissue?
- Correct Answer - 2/3
What happens during the depolarization phase of a nerve cell?
- Correct Answer - sodium ions enter the nerve membrane( and
potassium exits)
Which of the following foramen is the opening for the mandibular division
of the trigeminal nerve?
- Correct Answer - foramen ovale
EXAM | QUESTIONS AND ANSWERS
RATED A+ | 2026/2027 GUIDE
The patient experienced a sharp pain when the needle was inserted.
This is most likely related to the:
- Correct Answer - needle contracting the needle sheath
What can a patient do to stop a hematoma from spreading as soon as it
appears?
- Correct Answer - apply ice on the area
Which of the following conditions may happen if a needle did not contact
the bone when administering an IA nerve block?
- Correct Answer - facial nerve paralysis
What category of patients are more prone to overdose?
- Correct Answer - pregnant women and children
What should the clinician provide for a patient who is experiencing
hypoglycemia and angina?
- Correct Answer - Glucose, and nitroglycerin
The patient that you are treating starts to feel swelling in her throat. You
also notice that her blood pressure has dropped after the local
anesthesia injection. What can the clinician do to manage this situation?
- Correct Answer - provide epinephrine
,Psychogenic pain describes:
- Correct Answer - pain due to emotional stress
"basic without organ pain"
If a patient develops anaphylaxis, the clinician should provide:
- Correct Answer - Epinephrine and oxygen
The patient is experiencing tremors, numbness in the extremities. The
patient is also very talkative, and then suddenly lost consciousness.
Which condition did the patient most likely experience?
- Correct Answer - overdose
The patient is currently taking Elavil( tricyclic antidepressant). What
should be avoided when administering LA?
- Correct Answer - Avoid levonordefrin
What can the patient do to relieve trismus?
- Correct Answer - apply heat
While the patient was lying in supine position awaiting for dental
treatment, she experiences a sudden pain in the chest that lasted about
3 minutes and resolved on its own. This is most likely to be:
- Correct Answer - angina
The patient is affected by cirrhosis:
- Correct Answer - The anesthetic drug would be metabolized at a
slower rate
Which method can best resolve symptoms associated with trismus?
- Correct Answer - heat compress with normal eating
,When providing local anesthesia for a child, which is NOT true?
- Correct Answer - use topical anesthetics instead of injections if
possible
Which is related to early signs of local anesthesia toxicity?
- Correct Answer - CNS excitation
The patient may experience burning pain upon a local anesthesia
injection because:
- Correct Answer - The pH of the solution is low
Which type of adverse reaction is related to elevated levels of drugs in
the blood?
- Correct Answer - overdose reaction
Which injection is needed to anesthetize the palatal tissues around the
left maxillary molar?
- Correct Answer - Greater palatine nerve block
Local anesthetic mainly:
- Correct Answer - Decrease the rate of depolarization
Which of the following anesthesia is contraindicated in patients with
COPD?
- Correct Answer - Prilocaine
Which of the following is needed to anesthetize the maxillary posterior
teeth?
, - Correct Answer - Posterior superior alveolar nerve
During aspiration, you see blood rapidly coming through the cartridge.
What should be the next step in this solution?
- Correct Answer - Remove the needle and replace the cartridge
A hematoma quickly appears after a PSA nerve block. which of the
following may have caused the hematoma?
- Correct Answer - The needle penetrated the pterygoid plexus of veins
At the end of the dental appointment, you noticed that one side of the
patient's face is "drooping". What could have caused this change?
- Correct Answer - Local anesthetic was deposited into the parotid gland
Which of the following provides sensory innervation to the soft palate?
- Correct Answer - Lesser palatine nerve
For the administration of an IA nerve block, how much of the long needle
should penetrate the tissue?
- Correct Answer - 2/3
What happens during the depolarization phase of a nerve cell?
- Correct Answer - sodium ions enter the nerve membrane( and
potassium exits)
Which of the following foramen is the opening for the mandibular division
of the trigeminal nerve?
- Correct Answer - foramen ovale
