Dental Unit Waterline: The Straight Facts...Preview

QUIZ: II. Session #2 - Dental Unit Water and Microbial Contamination

Number of items: 5
Passing Score: 5

Instructions: Please answer the questions by marking the correct letter. Once you complete answering all items, enter your user code and password for this course and click the Submit button. (Don't forget our suggestion regarding a print out of this quiz)

1. Without intervention, dental units often deliver water:
PLEASE SELECT
a. that is not "potable"
b. that does not meet "drinking" water standards
c. that contains more than 500 CFU's of bacteria
d. all of the above

2. Some sources of dental waterline contamination include:
PLEASE SELECT
a. municipal water
b. dental handpieces
c. patient's oral fluids
d. dental unit biofilm
e. all of the above

3. Dental units and dental unit attachments:
PLEASE SELECT
a. are considered medical devices
b. must receive FDA premarket clearance (510K)
c. are composed of dozens of various materials d. all of the above

4. The American Dental Association -
PLEASE SELECT
a. has authority to regulate dental unit water
b. mandates that dental unit water meets drinking water standards
c. evaluates the probable benefits & probable risks of all new DUW devices d. none of the above

5. Self-Contained water systems:
PLEASE SELECT
a. are considered "sterile" water systems
b. can serve as a portal for the introduction of microorganisms
c. are the only systems that require no maintenance d. none of the above

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