TESTBANK LOCAL ANESTHESIA FOR DENTAL
PROFESSIONALS 2ND BASSETT QUESTIONS WITH
100% VERIFIED SOLUTIONS Q&A 2026 |INSTANT
DOWNLOAD PDF
1. Which nerve is primarily anesthetized for maxillary anterior
teeth?
A. Inferior alveolar nerve
B. Infraorbital nerve
C. Lingual nerve
D. Auriculotemporal nerve
Rationale: Maxillary anterior teeth are supplied by the anterior
superior alveolar branch of the infraorbital nerve.
Correct answer: B
2. The most commonly used local anesthetic in dentistry is:
A. Lidocaine
B. Atropine
C. Morphine
D. Epinephrine
Rationale: Lidocaine is widely used due to its safety and
efficacy.
Correct answer: A
,3. The function of epinephrine in local anesthetics is to:
A. Increase pain sensation
B. Reduce bleeding and prolong duration
C. Neutralize anesthetic
D. Cause infection control
Rationale: Epinephrine causes vasoconstriction, prolonging
drug action and reducing bleeding.
Correct answer: B
4. The pH of infected tissue usually causes local anesthetics to
be:
A. More effective
B. Less effective
C. Stronger
D. Unchanged
Rationale: Acidic tissue reduces drug penetration and
effectiveness.
Correct answer: B
5. Which nerve block anesthetizes the lower teeth on one
side?
A. Mental nerve block
B. Inferior alveolar nerve block
C. Buccal nerve block
D. Nasopalatine block
,Rationale: Inferior alveolar nerve block affects all mandibular
teeth on one side.
Correct answer: B
6. The onset of local anesthetic is influenced mainly by:
A. Color of solution
B. Lipid solubility and pKa
C. Needle size
D. Patient age only
Rationale: pKa and lipid solubility determine membrane
penetration speed.
Correct answer: B
7. A vasoconstrictor should be used cautiously in patients
with:
A. Common cold
B. Severe cardiovascular disease
C. Mild headache
D. Tooth decay
Rationale: Epinephrine may increase cardiac workload.
Correct answer: B
8. The maxillary nerve is a branch of:
, A. Mandibular nerve
B. Trigeminal nerve
C. Facial nerve
D. Hypoglossal nerve
Rationale: Maxillary nerve is V2 of trigeminal nerve.
Correct answer: B
9. A common sign of intravascular injection is:
A. Slow onset
B. Tachycardia and dizziness
C. No bleeding
D. Dry mouth
Rationale: Accidental intravascular injection causes systemic
effects.
Correct answer: B
10. The safest injection speed is:
A. Very fast
B. Moderate and controlled
C. Instant bolus
D. Not important
Rationale: Slow injection reduces pain and complications.
Correct answer: B
PROFESSIONALS 2ND BASSETT QUESTIONS WITH
100% VERIFIED SOLUTIONS Q&A 2026 |INSTANT
DOWNLOAD PDF
1. Which nerve is primarily anesthetized for maxillary anterior
teeth?
A. Inferior alveolar nerve
B. Infraorbital nerve
C. Lingual nerve
D. Auriculotemporal nerve
Rationale: Maxillary anterior teeth are supplied by the anterior
superior alveolar branch of the infraorbital nerve.
Correct answer: B
2. The most commonly used local anesthetic in dentistry is:
A. Lidocaine
B. Atropine
C. Morphine
D. Epinephrine
Rationale: Lidocaine is widely used due to its safety and
efficacy.
Correct answer: A
,3. The function of epinephrine in local anesthetics is to:
A. Increase pain sensation
B. Reduce bleeding and prolong duration
C. Neutralize anesthetic
D. Cause infection control
Rationale: Epinephrine causes vasoconstriction, prolonging
drug action and reducing bleeding.
Correct answer: B
4. The pH of infected tissue usually causes local anesthetics to
be:
A. More effective
B. Less effective
C. Stronger
D. Unchanged
Rationale: Acidic tissue reduces drug penetration and
effectiveness.
Correct answer: B
5. Which nerve block anesthetizes the lower teeth on one
side?
A. Mental nerve block
B. Inferior alveolar nerve block
C. Buccal nerve block
D. Nasopalatine block
,Rationale: Inferior alveolar nerve block affects all mandibular
teeth on one side.
Correct answer: B
6. The onset of local anesthetic is influenced mainly by:
A. Color of solution
B. Lipid solubility and pKa
C. Needle size
D. Patient age only
Rationale: pKa and lipid solubility determine membrane
penetration speed.
Correct answer: B
7. A vasoconstrictor should be used cautiously in patients
with:
A. Common cold
B. Severe cardiovascular disease
C. Mild headache
D. Tooth decay
Rationale: Epinephrine may increase cardiac workload.
Correct answer: B
8. The maxillary nerve is a branch of:
, A. Mandibular nerve
B. Trigeminal nerve
C. Facial nerve
D. Hypoglossal nerve
Rationale: Maxillary nerve is V2 of trigeminal nerve.
Correct answer: B
9. A common sign of intravascular injection is:
A. Slow onset
B. Tachycardia and dizziness
C. No bleeding
D. Dry mouth
Rationale: Accidental intravascular injection causes systemic
effects.
Correct answer: B
10. The safest injection speed is:
A. Very fast
B. Moderate and controlled
C. Instant bolus
D. Not important
Rationale: Slow injection reduces pain and complications.
Correct answer: B
