Text Chapter Questions Flashcards
Which of the following would best describe the amnestic effect associated with N2O/O2 sedation on a patient?
A. The patient does not recognize his/her surroundings.
B. The patient does not remember what procedure was being completed or who the clinician was.
C. The patient believes less time passed than was actually spent at the appointment.
D. The patient will forget he/she was anxious and/or afraid after leaving the office.
C. The patient believes less time passed than was actually spent at the appointment.
The rapid onset of action with N2O/O2 sedation is advantageous. Effects are usually first seen within ________ minutes.
A. 5
B. 15
C. 30
D. 45
A. 5
Each of the following is considered an anxiolytic effect of N2O/O2 sedation except one. Which one is this exception?
A. Calm
B. Tolerant
C. Relaxed
D. Comfortable
E. Stressed
E. Stressed
A patient will not cognitively recover from N2O/O2 sedation for many hours following its administration. Like all other forms of sedation, every patient must be escorted from the office by a friend or family member following N2O/O2 sedation.
A. Both statements are true.
B. Both statements are false.
C. The first statement is true; the second is false.
D. The first statement is false; the second is true.
B. Both statements are false.
The drug most commonly delivered concomitantly with N2O and O2 in the dental setting is
A. a local anesthetic.
B. an anti-hypertensive medication.
C. a selective serotonin reuptake inhibitor (SSRI).
D. a non-steroidal, anti-inflammatory drug (NSAID).
A. a local anesthetic.
The number of deaths associated with N2O/O2 sedation in a dental office as the sole sedative agent and using appropriate equipment and technique is
A. none.
B. approximately 10.
C. approximately 100.
D. approximately 1000.
A. none.
Current “best practice guidelines” for N2O/O2 sedation use in the United States are recommended by each of the following organizations except one. Which one is the exception?
A. ASA
B. ADA
C. FDA
D. AAP/AAPD
C. FDA
The primary objective of physiologic pain is to
A. provide protection for the body against potential damage.
B. prevent nerve impulses from reaching the brain.
C. alert the individual of the need for pharmacologic intervention.
D. signal the need for oxygen.
A. provide protection for the body against potential damage.
All of the following are factors that can influence an individual’s response to pain except one. Which one is the exception?
A. Current stress level
B. Illness/infection presence
C. Eye color
D. Cultural expectations
C. Eye color
The following are disadvantageous characteristics of which route of pharmacologic administration?
- Inability to titrate dose
- Unreliable absorption affected by gastric contents
- Prolonged duration
- Significant latent period
- Potential patient noncompliance, especially with children
A. Oral
B. Intramuscular
C. Intravenous
D. General
A. Oral
The drug-induced state during which patients respond normally to verbal commands and have possible cognitive and coordination impairment, but ventilatory and cardiovascular functions are unaffected is
A. minimal sedation.
B. moderate sedation.
C. deep sedation.
D. general anesthesia.
A. minimal sedation.
Each of the following is a sign that an individual may be anxious except one. Which one is this exception?
A. Tight grip on chair or “white knuckles”
B. Beads of perspiration
C. Tendency to fall asleep
D. Cool, clammy skin
C. Tendency to fall asleep
The individual credited for the discovery of nitrous oxide was
A. Humphrey Davy.
B. Joseph Priestley.
C. Gardner Quincy Colton.
D. Horace Wells.
B. Joseph Priestley.
The individual responsible for lecturing about the virtues of nitrous oxide and sporting it as entertainment in town halls was
A. Humphrey Davy.
B. Joseph Priestley.
C. Gardner Quincy Colton.
D. Horace Wells
C. Gardner Quincy Colton.
The individual who has posthumously been recognized as the “Father of Anesthesia” because of his clinical use of nitrous oxide is
A. Humphrey Davy.
B. Joseph Priestley.
C. Gardner Quincy Colton.
D. Horace Wells.
D. Horace Wells.
The first clinical procedure using nitrous oxide as the anesthetic agent was
A. limb amputation.
B. tooth extraction.
C. abscess drainage.
D. laceration repair.
B. tooth extraction.
Nitrous oxide gas by itself is not flammable. If nitrous oxide comes into contact with a flame, it will explode.
A. Both statements are true.
B. Both statements are false.
C. The first statement is true; the second is false.
D. The first statement is false; the second is true.
A. Both statements are true.
Lecture: It can support combustion, but it is not going to spontaneously combust.
Nitrous oxide is __________ than air.
A. lighter
B. heavier
B. heavier
Oxygen makes up approximately __________% of the atmosphere.
A. 7
B. 21
C. 52
D. 75
B. 21
A drug that diffuses immediately into the blood and is rapidly distributed across the body is considered
A. highly soluble.
B. relatively insoluble.
C. insoluble.
B. relatively insoluble.
All of the following are reasons why nitrous oxide is not used as a sole anesthetic agent for surgery in the operating room at a hospital except one. Which one is this exception?
A. Because it is the least potent (weakest) of all inhalation general anesthetics
B. Because it has a MAC value of 104% to 105%
C. Because profound surgical anesthesia is unattainable unless it is used under hyperbaric conditions
D. Because it is much more expensive than halothane or sevoflurane, which are agents commonly used
D. Because it is much more expensive than halothane or sevoflurane, which are agents commonly used
Hydrocarbons such as oil, grease, or other lubricants should not be used near valves, gauges, regulators, or any fittings on N2O/O2 equipment because they may cause
A. leaking of the gas cylinder.
B. malfunctioning of the regulator.
C. a catastrophic explosion.
D. rusting inside the gauges.
C. a catastrophic explosion.
The oxygen in the N2O molecule is not available for use by the body because N2O does not break down in the body.
A. Both the statement and the reason are correct and related.
B. Both the statement and the reason are correct but NOT related.
C. The statement is correct but the reason is NOT.
D. The statement is NOT correct but the reason is correct.
E. NEITHER the statement NOR the reason is correct.
A. Both the statement and the reason are correct and related.
Nitrous oxide is often used during induction of general anesthesia because it promotes the rapid uptake of a more potent general anesthesia agent. This property is called
A. the concentration effect.
B. the second-gas effect.
C. diffusion hypoxia.
D. respiratory depression.
E. hypoxic drive.
B. the second-gas effect.