FREE AND STUDY GAMES ABOUT 30 EXAM QUESTIONS

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FREE AND STUDY GAMES ABOUT 30 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Factors contributing to the formation of bacteria in DUWLs include all of the following except

Answer:

well water.

Question 2: Disposable inline microfiltration cartridges should be replaced

Answer:

according to the manufacturer's recommendations.Question 3: Which of the following techniques in dentistry has been proved to cause adverse health effects on patients?

Answer:

No adverse health effects have been reported with backflow from saliva ejectors, clogged suction lines, or back suction.Question 4: Which of the following statements is true about dental unit waterlines?

Answer:

Viruses cannot multiply in the DUWL.

Question 5: Advantages of using self-contained water reservoirs include:

Answer:

giving the dental office control over quality of water used.Question 6: Reduction of exposure to the dental unit water for the dental team includes all of the

following except:

Answer:

a dental dam.Question 7: The protocol recommended by manufacturers of eyewash units to reduce microbial content in the waterline is a _____-minute flushing _____.

Answer:

3; weekly Question 8: When choosing a chemical agent to give dental unit water lines a "shock"

treatment, care should be taken to:

Answer:

use a product that will not damage the dental units.check with the manufacturer to determine the recommended chemical product and protocol for maintenance Question 9: To reduce the microbial count temporarily and to help clean the handpiece

waterlines, DUWLs should be flushed:

Answer:

for 20 to 30 seconds between patients.every morning for several minutes.Question 10: While using for routine dental procedures, biofilm and bacteria found in water from

municipal lines can enter the oral cavity of a patient through:

Answer:

the handpiece.the waterline.Question 11: All waste containers that hold potentially infectious materials must:

Answer:

be labeled with the biohazard symbol

Question 12: Methods of reducing the level of bacterial contamination in waterlines include all

of the following except:

Answer:

yearly replacement of all water lines.Question 13: The advantages of self-contained water reservoirs include:

Answer:

dental personnel can select the quality of water used.maintenance of the water system is under the control of the dental staff.Question 14: Biofilm can contain many types of bacteria, including _____ protozoa.

Answer:

fungi, algae, and Question 15: Waterborne diseases have been found in:

Answer:

hospitals.schools.dental water lines.Question 16: Eyewash units:

Answer:

must be installed in every workplace where chemicals are used, according to OSHA regulations.Question 17: A victim who immediately feels the effects of a chemical spill, with symptoms of

dizziness, headache, nausea, and vomiting, is experiencing:

Answer:

acute chemical toxicity.Question 18: Within 5 days of installation, research has shown that microbial counts in new dental unit waterlines can reach _____ CFUs/mL.

Answer:

200,000

Question 19: Planktonic bacteria are:

Answer:

free floating in the water.Question 20: Backflow from low-volume saliva ejectors can occur when a patient:

Answer:

closes his or her lips around the tip of a saliva ejector.Question 21: The options available for testing the quality of waterline cleaning include:

Answer:

using a commercial testing service.using an in-office test kit.Question 22: The section of an MSDS that describes how the product will look and smell as well

as other physical characteristics is:

Answer:

Section III-Physical hazard data.

Question 23: Lead foil from the radiographic film should b

Answer:

recycled as scrap metal.recycled through Eastman Kodak.Question 24: According to OSHA, how often do eyewash stations need to be inspected to ensure proper function

Answer:

Monthly Question 25: The bacteria in the biofilm are more resistant to chemical germicides than

planktonic bacteria by a factor of:

Answer:

1500.