The passing grade for the final exam is 75%. You will have 3 attempts. If after those three attempts you have not passed, you must contact the dental school.
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Question 1 of 25
1. Question
Which of the following is the most commonly reported effect of long-term exposure to nitrous oxide?
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Question 2 of 25
2. Question
How does the weight of nitrous oxide compare to that of air?
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Question 3 of 25
3. Question
How long should a patient receive oxygen at the end of nitrous oxide administration?
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Question 4 of 25
4. Question
According to Guedel’s classifications, during which stage does a patient enter an unconscious state?
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Question 5 of 25
5. Question
When can a dental assistant begin monitoring nitrous oxide?
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Question 6 of 25
6. Question
A dental assistant certified to monitor nitrous oxide can do which of the following?
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Question 7 of 25
7. Question
What is the purpose of the flush valve?
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Question 8 of 25
8. Question
What was the first use for nitrous oxide in the United States?
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Question 9 of 25
9. Question
Which of the following should be done to reduce unnecessary nitrous oxide in the operatory?
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Question 10 of 25
10. Question
Which of the following conditions are contraindications for the use of nitrous oxide?
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Question 11 of 25
11. Question
The NIOSH recommended exposure limit for nitrous oxide in the operatory during a procedure is which of the following?
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Question 12 of 25
12. Question
Reports have shown what percentage of dental personnel abuse nitrous oxide?
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Question 13 of 25
13. Question
Breathing inadequate levels of oxygen is called_____?
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Question 14 of 25
14. Question
The scavenger system expels gas to the_____?
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Question 15 of 25
15. Question
What is the purpose of the reservoir bag?
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Question 16 of 25
16. Question
Nitrous oxide comes in _____ tanks, oxygen comes in _____ tanks?
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Question 17 of 25
17. Question
Which of the following measures blood oxygenation by evaluating the color of the blood?
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Question 18 of 25
18. Question
Diffusion is the movement of _____ across a membrane?
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Question 19 of 25
19. Question
Which of the following best describes tidal volume?
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Question 20 of 25
20. Question
What does the flowmeter measure?
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Question 21 of 25
21. Question
The purpose of the check valve is ________?
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Question 22 of 25
22. Question
Titration means which of the following?
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Question 23 of 25
23. Question
Which of the following is TRUE about the properties of nitrous oxide?
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Question 24 of 25
24. Question
Nitrous oxide is the most potent of all anesthetic gases and easily causes unconsciousness.
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Question 25 of 25
25. Question
Nitrous oxide is 1 ½ times heavier than the air we breathe and will settle at floor level.
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