1|Page
Local Anesthesia for the Dental Hygienist Exam
2026/2027 ||Verified Exam!!|| Most Recent Exam Actual
Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Newest
Exam!!!
Which statement correctly describes pain threshold -
Answer-it is identified when a stimulus begins to produce
pain
What statement is true regarding the specific protein
receptor theory - Answer-LA molecules displace calcium
ions at receptor site
Which statement best describes pain as a protective
response - Answer-pain is rapid, reflexive, unconscious
reaction
Which two ions are responsible for uniterrupted
maintenance of teh resting potential across the nerve
membrane - Answer-K+ and Na+
Bevel =
,2|Page
long needle =
short needle=
gauge =
lumen= - Answer-angled tip of the needle
32mm
22mm
internal diameter of needle
hollow part of the needle
T/F: Both the incisive nerve and mental nerve are a
continuation of the inferior alveolar nerve.
The incisive nerve continues within the mandible to the
anterior portion of the mandible and the mental nerve exits
the mandible through the mental foramen. - Answer-Both
are TRUE
T/F: Depolarization refers to a potential change across a
nerve membrane from -70 mV to +40 mV - Answer-True
Elimination half life refers to the time it takes for half of a
drug to be - Answer-out of the circulation
, 3|Page
T/F: Epinephrine is an absolute contraindication for
patients with poorly controlled or uncontrolled
hyperthyroidism. - Answer-True
Ester-type local anesthestic drugs are biotransformed in
the - Answer-blood by pseudocholinesterase
Following a relatively severe heart attack, how long should
elective dental treatment be delayed? - Answer-Six
months
T/F: Gently pulling the mucosa taut will ease penetration
of the needle and establish a point of stability for the
syringe - Answer-True
If the fourth half-life of lidocaine is 12.5, what is the fifth
half-life? - Answer-6.25 %
T/F: In response to stimulation, calcium ions release from
the receptor sites, allowing an influx of sodium ions into
the axoplasm. - Answer-True
Local Anesthesia for the Dental Hygienist Exam
2026/2027 ||Verified Exam!!|| Most Recent Exam Actual
Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Newest
Exam!!!
Which statement correctly describes pain threshold -
Answer-it is identified when a stimulus begins to produce
pain
What statement is true regarding the specific protein
receptor theory - Answer-LA molecules displace calcium
ions at receptor site
Which statement best describes pain as a protective
response - Answer-pain is rapid, reflexive, unconscious
reaction
Which two ions are responsible for uniterrupted
maintenance of teh resting potential across the nerve
membrane - Answer-K+ and Na+
Bevel =
,2|Page
long needle =
short needle=
gauge =
lumen= - Answer-angled tip of the needle
32mm
22mm
internal diameter of needle
hollow part of the needle
T/F: Both the incisive nerve and mental nerve are a
continuation of the inferior alveolar nerve.
The incisive nerve continues within the mandible to the
anterior portion of the mandible and the mental nerve exits
the mandible through the mental foramen. - Answer-Both
are TRUE
T/F: Depolarization refers to a potential change across a
nerve membrane from -70 mV to +40 mV - Answer-True
Elimination half life refers to the time it takes for half of a
drug to be - Answer-out of the circulation
, 3|Page
T/F: Epinephrine is an absolute contraindication for
patients with poorly controlled or uncontrolled
hyperthyroidism. - Answer-True
Ester-type local anesthestic drugs are biotransformed in
the - Answer-blood by pseudocholinesterase
Following a relatively severe heart attack, how long should
elective dental treatment be delayed? - Answer-Six
months
T/F: Gently pulling the mucosa taut will ease penetration
of the needle and establish a point of stability for the
syringe - Answer-True
If the fourth half-life of lidocaine is 12.5, what is the fifth
half-life? - Answer-6.25 %
T/F: In response to stimulation, calcium ions release from
the receptor sites, allowing an influx of sodium ions into
the axoplasm. - Answer-True
