NITROUS OXIDE AND OXYGEN
SEDATION MOCK EXAM 2025
QUESTIONS AND ANSWERS
Horace Wells unsuccessfully attempted to convince an audience of medical professionals that
nitrous oxide could be used to assist medical procedures in:
A. 1772
B. 1845
C. 1912
D. 1950 - ANS B. 1845
After a hiatus following its discovery, the merits of nitrous oxide and analgesia were first
documented in writing by:
A. Humphrey Davy
B. Samuel Cooley
C. Gardner Colton
D. Joseph Priestley - ANS A. Humphrey Davy
The dentist who has posthumously been recognized as a "Father of Anesthesia" because of his
clinical use of nitrous oxide is:
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, A. Humphrey Davy
B. Joseph Priestley
C. Gardner Quincy Colton
D. Horace Wells - ANS D. Horace Wells
When a patient must be purposefully aroused either by verbal command or with light tactile
stimulation, they are in a level of ________________________.
A. minimal sedation
B. moderate sedation
C. deep sedation/analgesia
D. general anesthesia - ANS B. moderate sedation
When loss of consciousness is intended with a drug, the level of sedation is defined as
________________________.
A. minimal sedation
B. moderate sedation
C. deep sedation/analgesia
D. general anesthesia - ANS D. general anesthesia
A persistent and irrational response to something specific that necessitates professional
intervention defines the term:
A. anxiety
B. fear
C. phobia - ANS C. phobia
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, All of the following are likely signs of fear except one. Which is the exception?
A. excessive talking
B. arrives early to appointment
C. refusal to cooperate
D. cancelled appointment - ANS B. refusal to cooperate
All of the following are physiological signs of a person's fear of the dental office except one.
Which one is the exception?
A. sobbing
B. sweating
C. sleeping
D. shaking - ANS C. sleeping
All of the following statements are true regarding the topic of pain and anxiety except one.
Which one is the exception?
A. Anxiety causes pain to be less tolerable
B. An increase in pain enhances anxiety
C. Various cultures express pain differently
D. Pain tolerance does not change in an individual - ANS D. pain tolerance does not change in
an individual
The effects of nitrous oxide can be reversed by:
A. naloxone
B. oxygen
C. a benzodiazepine
3|P a g e C o p y r i g h t © 2 0 2 5 T H E B R I G H T A L L R I G H T S R E S E R V E D
SEDATION MOCK EXAM 2025
QUESTIONS AND ANSWERS
Horace Wells unsuccessfully attempted to convince an audience of medical professionals that
nitrous oxide could be used to assist medical procedures in:
A. 1772
B. 1845
C. 1912
D. 1950 - ANS B. 1845
After a hiatus following its discovery, the merits of nitrous oxide and analgesia were first
documented in writing by:
A. Humphrey Davy
B. Samuel Cooley
C. Gardner Colton
D. Joseph Priestley - ANS A. Humphrey Davy
The dentist who has posthumously been recognized as a "Father of Anesthesia" because of his
clinical use of nitrous oxide is:
1|P a g e C o p y r i g h t © 2 0 2 5 T H E B R I G H T A L L R I G H T S R E S E R V E D
, A. Humphrey Davy
B. Joseph Priestley
C. Gardner Quincy Colton
D. Horace Wells - ANS D. Horace Wells
When a patient must be purposefully aroused either by verbal command or with light tactile
stimulation, they are in a level of ________________________.
A. minimal sedation
B. moderate sedation
C. deep sedation/analgesia
D. general anesthesia - ANS B. moderate sedation
When loss of consciousness is intended with a drug, the level of sedation is defined as
________________________.
A. minimal sedation
B. moderate sedation
C. deep sedation/analgesia
D. general anesthesia - ANS D. general anesthesia
A persistent and irrational response to something specific that necessitates professional
intervention defines the term:
A. anxiety
B. fear
C. phobia - ANS C. phobia
2|P a g e C o p y r i g h t © 2 0 2 5 T H E B R I G H T A L L R I G H T S R E S E R V E D
, All of the following are likely signs of fear except one. Which is the exception?
A. excessive talking
B. arrives early to appointment
C. refusal to cooperate
D. cancelled appointment - ANS B. refusal to cooperate
All of the following are physiological signs of a person's fear of the dental office except one.
Which one is the exception?
A. sobbing
B. sweating
C. sleeping
D. shaking - ANS C. sleeping
All of the following statements are true regarding the topic of pain and anxiety except one.
Which one is the exception?
A. Anxiety causes pain to be less tolerable
B. An increase in pain enhances anxiety
C. Various cultures express pain differently
D. Pain tolerance does not change in an individual - ANS D. pain tolerance does not change in
an individual
The effects of nitrous oxide can be reversed by:
A. naloxone
B. oxygen
C. a benzodiazepine
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