Local Anesthesia in Dental Hygiene
Practice Exam With Questions And
Correct Verified Answers | Latest
Update 2026 | Already Graded A+ |
Brand New Version | Guaranteed
Success !!!!!!
What potent drug used for pain control was derived from opium?
a) lidocaine
b) novocaine
c) morphine
d) codeine - CORRECTANSWER c) morphine
What drug did Horace Wells introduce into dentistry for pain control?
a) nitrous oxide
b) local anesthetics
c) topical anesthetics
d) morphine - CORRECTANSWER a) nitrous oxide
All of the following are reasons why procaine was NOT as desirable as lidocaine for pain control
EXCEPT one. Which one is the EXCEPTION?
, a) difficult to produce the desired anesthetic result
b) it causes allergic reactions
c) it was not as potent
d) it was addictive - CORRECTANSWER d) it was addictive
Injectable amides are recommended over esters because there is:
a) less risk for allergic reactions
b) increased potency
c) decreased mechanism of action
d) both A and B - CORRECTANSWER d) both A and B
What is the most popular anesthetic used in the U.S. today?
a) procaine
b) novocaine
c) epinephrine
d) lidocaine - CORRECTANSWER d) lidocaine
What is the definition of pain threshold?
a) 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.
b) the point at which sensation starts to be painful and discomfort results.
c) personal interpretation and response to the pain message that is highly variable among
individuals.
d) the sensation of discomfort that the patient feels, ranging from mild to severe -
CORRECTANSWER b) the point at which sensation starts to be painful and discomfort results.
What is pain perception?
Practice Exam With Questions And
Correct Verified Answers | Latest
Update 2026 | Already Graded A+ |
Brand New Version | Guaranteed
Success !!!!!!
What potent drug used for pain control was derived from opium?
a) lidocaine
b) novocaine
c) morphine
d) codeine - CORRECTANSWER c) morphine
What drug did Horace Wells introduce into dentistry for pain control?
a) nitrous oxide
b) local anesthetics
c) topical anesthetics
d) morphine - CORRECTANSWER a) nitrous oxide
All of the following are reasons why procaine was NOT as desirable as lidocaine for pain control
EXCEPT one. Which one is the EXCEPTION?
, a) difficult to produce the desired anesthetic result
b) it causes allergic reactions
c) it was not as potent
d) it was addictive - CORRECTANSWER d) it was addictive
Injectable amides are recommended over esters because there is:
a) less risk for allergic reactions
b) increased potency
c) decreased mechanism of action
d) both A and B - CORRECTANSWER d) both A and B
What is the most popular anesthetic used in the U.S. today?
a) procaine
b) novocaine
c) epinephrine
d) lidocaine - CORRECTANSWER d) lidocaine
What is the definition of pain threshold?
a) 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.
b) the point at which sensation starts to be painful and discomfort results.
c) personal interpretation and response to the pain message that is highly variable among
individuals.
d) the sensation of discomfort that the patient feels, ranging from mild to severe -
CORRECTANSWER b) the point at which sensation starts to be painful and discomfort results.
What is pain perception?
