Dental Hygiene Local Anesthesia Exam | 2026/2027 Edition –
50 Actual Exam Questions with 100% Verified Answers
(Graded A+ | Updated Clinical Standards) Complete Questions
and Verified Answers
What potent drug used for pain control was derived from opium? - answer - Morphine
All of the following are reasons why procaine was NOT as desirable as lidocaine for pain
control EXCEPT one. Which one is the EXCEPTION? - answer - D. It was addictive
Injectable amides are recommended over esters because there is: - answer - A and B
(Less risk of allergic reactions and Increased potency)
What drug did Horace Wells first introduce into dentistry for pain control? - answer -
Nitrous Oxide
What is the most popular local anesthetic used in the US today? - answer - Lidocaine
What is the definition of pain threshold? - answer - The point at which a sensation starts
to be painful and discomfort results
What is pain perception? - answer - A neurologic experience of pain related to the
process of receiving pain stimuli and transmission of this pain to the brain that differs
little among individuals
,what is pain? - answer - The sensation of discomfort that the patient feels, ranging from
mild to severe
What is pain reaction? - answer - Personal interpretation and responses to the pain
message that is highly variable among individuals
Pain can be influenced by all of the following EXCEPT one. Which one is the
EXCEPTION? - answer - D. Positive attitude
What theory helps dental hygienists understand the relationship between human-need
fulfillment and human behavior? - answer - Human-needs theory
What is the definition of stress? - answer - A physical and emotional response to a
particular situation
Which of the following may negatively influence the pain reaction threshold? - answer -
Fear
If a patient has a high pain threshold, he or she will experience more intense pain than a
patient who has a low pain threshold. - answer - False
Which of the following is the personal interpretation and response to the pain message,
and is highly variable among individuals? - answer - Pain reaction
,In what year was the first local anesthetic introduced? - answer - 1884
It is best to schedule apprehensive patients for long appointments to complete as much
work as possible, and it is best to schedule these appointments in the morning. - answer -
Both statements are NOT correct.
What percentage of patients has reported to have had onset of dental anxiety by
adolescence? - answer - 50-85%
Which of the following are signs of moderate anxiety? - answer - B and C only (History
of frequently missed appointments and History of emergency appointments only)
What is the best method of managing an anxious patient? - answer - Prevention
A stimulus is an electrical message from one part of the body to another. An impulse is
an environmental change in an excitable tissue. - answer - e first statement is correct, but
the second is NOT.
Which fibers are the principle fibers in the transmission of sharp, bright dental pain? -
answer - Aδ fibers
Local anesthetics work by: - answer - Penetrating the nerve to inhibit Na+ influx
, Local anesthetics mostly have their effect on myelinated nerves in which way? - answer -
Mostly at the node of Ranvier
The minimal threshold stimulus required to excite a C fiber will also be sufficient to
stimulate an A fiber. - answer - False
When energy for conduction is derived from the nerve cell membrane itself and is no
longer dependent on the stimulus for continuance, the conduction is considered to be: -
answer - Self-propagating
The absolute refractory period occurs during the fraction of a millisecond when a nerve
fiber can be excited only by a much stronger stimulus than the initial stimulus. - answer -
False
Saltatory conduction refers to: - answer - Rapid transmission of nerve impulses along a
myelinated nerve fiber
What is the type of glial cell located in the peripheral nervous system? - answer -
Schwann
Myelin (lipoprotein sheath) is composed of: - answer - Approximately 75% lipid, 20%
protein, and 5% carbohydrate
The sympathetic division is involved with the "rest or digest" response. The
parasympathetic division is known as the "fight or flight" response. - answer - NEITHER
statement is CORRECT
50 Actual Exam Questions with 100% Verified Answers
(Graded A+ | Updated Clinical Standards) Complete Questions
and Verified Answers
What potent drug used for pain control was derived from opium? - answer - Morphine
All of the following are reasons why procaine was NOT as desirable as lidocaine for pain
control EXCEPT one. Which one is the EXCEPTION? - answer - D. It was addictive
Injectable amides are recommended over esters because there is: - answer - A and B
(Less risk of allergic reactions and Increased potency)
What drug did Horace Wells first introduce into dentistry for pain control? - answer -
Nitrous Oxide
What is the most popular local anesthetic used in the US today? - answer - Lidocaine
What is the definition of pain threshold? - answer - The point at which a sensation starts
to be painful and discomfort results
What is pain perception? - answer - A neurologic experience of pain related to the
process of receiving pain stimuli and transmission of this pain to the brain that differs
little among individuals
,what is pain? - answer - The sensation of discomfort that the patient feels, ranging from
mild to severe
What is pain reaction? - answer - Personal interpretation and responses to the pain
message that is highly variable among individuals
Pain can be influenced by all of the following EXCEPT one. Which one is the
EXCEPTION? - answer - D. Positive attitude
What theory helps dental hygienists understand the relationship between human-need
fulfillment and human behavior? - answer - Human-needs theory
What is the definition of stress? - answer - A physical and emotional response to a
particular situation
Which of the following may negatively influence the pain reaction threshold? - answer -
Fear
If a patient has a high pain threshold, he or she will experience more intense pain than a
patient who has a low pain threshold. - answer - False
Which of the following is the personal interpretation and response to the pain message,
and is highly variable among individuals? - answer - Pain reaction
,In what year was the first local anesthetic introduced? - answer - 1884
It is best to schedule apprehensive patients for long appointments to complete as much
work as possible, and it is best to schedule these appointments in the morning. - answer -
Both statements are NOT correct.
What percentage of patients has reported to have had onset of dental anxiety by
adolescence? - answer - 50-85%
Which of the following are signs of moderate anxiety? - answer - B and C only (History
of frequently missed appointments and History of emergency appointments only)
What is the best method of managing an anxious patient? - answer - Prevention
A stimulus is an electrical message from one part of the body to another. An impulse is
an environmental change in an excitable tissue. - answer - e first statement is correct, but
the second is NOT.
Which fibers are the principle fibers in the transmission of sharp, bright dental pain? -
answer - Aδ fibers
Local anesthetics work by: - answer - Penetrating the nerve to inhibit Na+ influx
, Local anesthetics mostly have their effect on myelinated nerves in which way? - answer -
Mostly at the node of Ranvier
The minimal threshold stimulus required to excite a C fiber will also be sufficient to
stimulate an A fiber. - answer - False
When energy for conduction is derived from the nerve cell membrane itself and is no
longer dependent on the stimulus for continuance, the conduction is considered to be: -
answer - Self-propagating
The absolute refractory period occurs during the fraction of a millisecond when a nerve
fiber can be excited only by a much stronger stimulus than the initial stimulus. - answer -
False
Saltatory conduction refers to: - answer - Rapid transmission of nerve impulses along a
myelinated nerve fiber
What is the type of glial cell located in the peripheral nervous system? - answer -
Schwann
Myelin (lipoprotein sheath) is composed of: - answer - Approximately 75% lipid, 20%
protein, and 5% carbohydrate
The sympathetic division is involved with the "rest or digest" response. The
parasympathetic division is known as the "fight or flight" response. - answer - NEITHER
statement is CORRECT
