DENTAL ANESTHESIA 4DD SEMESTER ONE
ACTUAL EXAMINATION 2026
COMPREHENSIVE QUESTIONS WITH
DETAILED VERIFIED ANSWERS GRADED
A+
⩥ Which of the following drugs fall under pregnancy category B?
a. Carbocaine
b. Marcaine
C. Citanest
d. Septocaine. Answer: C. Citanest
Citanest (Prilocaine) and Xylocaine (Lidocaine) are pregnancy B
Carbocaine, Marcaine and Septocaine are pregnancy category C
⩥ Which of the following does not help alleviate the symptoms of
trismus?
a. apply heat for 20 min
b. use warm saline rinses
,c. use muscle relaxants
d. use oraverse. Answer: d. Use oraverse
oraverse increase amount of blood flow to target area which allows
tissue to recover more rapidly. Used to decrease duration of anesthesia,
not trismus
⩥ What is the most common cause of needle breakage?
a. bending of needle
b. sudden pt movement
c. forceful contact of bone
d. use of thin needles. Answer: b. sudden pt movement
⩥ Which of the following can be an early sign of local anesthetic
overdose?
a. drowsiness
b. loss of consciousness
c. respiratory arrest
d. twitching. Answer: d. twitching
⩥ What can a clinician do to control a hematoma?
,a. apply heat for 20 min
b. apply ice for 2 min
c. alternate ice and heat
d. all of the above. Answer: b. apply ice for 2 min
direct pressure & ice for 2 min. Can use heat on next day
⩥ If a patient is allergic to red wine, which of the following precautions
should be taken?
a. inject less anesthetic
b. inject drug more slowly
c. aspirate three times before injection
d. avoid local anesthetics within vasoconstrictors. Answer: d. avoid local
anesthetics within vasoconstrictors
⩥ What can cause paresthesia?
a. forceful contact of needle to the bone
b. hemorrhage around the nerve
c. change of needle direction
, d. bending of the needle. Answer: b. hemorrhage around the nerve
⩥ Local anesthesia given in preparation for endo treatments can
sometimes fail? What could be the reason?
a. excessive bleeding at the site
b. patient is anxious
c. patient is experiencing overdose
d. the pH of the tissue has been lowered. Answer: d. the pH of the tissue
has been lowered
⩥ Which of the following emergency conditions occurs the most
frequently with local anesthetic injections?
a. heart attack
b. breathing problems
c. syncope
d. anaphylaxis. Answer: c. syncope
⩥ Which of the following advice can help a patient prevent soft tissue
injuries following local anesthesia?
a. do not consume hot drinks for 4 hours
ACTUAL EXAMINATION 2026
COMPREHENSIVE QUESTIONS WITH
DETAILED VERIFIED ANSWERS GRADED
A+
⩥ Which of the following drugs fall under pregnancy category B?
a. Carbocaine
b. Marcaine
C. Citanest
d. Septocaine. Answer: C. Citanest
Citanest (Prilocaine) and Xylocaine (Lidocaine) are pregnancy B
Carbocaine, Marcaine and Septocaine are pregnancy category C
⩥ Which of the following does not help alleviate the symptoms of
trismus?
a. apply heat for 20 min
b. use warm saline rinses
,c. use muscle relaxants
d. use oraverse. Answer: d. Use oraverse
oraverse increase amount of blood flow to target area which allows
tissue to recover more rapidly. Used to decrease duration of anesthesia,
not trismus
⩥ What is the most common cause of needle breakage?
a. bending of needle
b. sudden pt movement
c. forceful contact of bone
d. use of thin needles. Answer: b. sudden pt movement
⩥ Which of the following can be an early sign of local anesthetic
overdose?
a. drowsiness
b. loss of consciousness
c. respiratory arrest
d. twitching. Answer: d. twitching
⩥ What can a clinician do to control a hematoma?
,a. apply heat for 20 min
b. apply ice for 2 min
c. alternate ice and heat
d. all of the above. Answer: b. apply ice for 2 min
direct pressure & ice for 2 min. Can use heat on next day
⩥ If a patient is allergic to red wine, which of the following precautions
should be taken?
a. inject less anesthetic
b. inject drug more slowly
c. aspirate three times before injection
d. avoid local anesthetics within vasoconstrictors. Answer: d. avoid local
anesthetics within vasoconstrictors
⩥ What can cause paresthesia?
a. forceful contact of needle to the bone
b. hemorrhage around the nerve
c. change of needle direction
, d. bending of the needle. Answer: b. hemorrhage around the nerve
⩥ Local anesthesia given in preparation for endo treatments can
sometimes fail? What could be the reason?
a. excessive bleeding at the site
b. patient is anxious
c. patient is experiencing overdose
d. the pH of the tissue has been lowered. Answer: d. the pH of the tissue
has been lowered
⩥ Which of the following emergency conditions occurs the most
frequently with local anesthetic injections?
a. heart attack
b. breathing problems
c. syncope
d. anaphylaxis. Answer: c. syncope
⩥ Which of the following advice can help a patient prevent soft tissue
injuries following local anesthesia?
a. do not consume hot drinks for 4 hours
