Polluted Water Diving
Quiz settings
Property
Setting
Passing score
80%
Display Point Value
Yes
Randomize Questions
Yes
Total Number of Questions
20
Total Number of Questions to Ask
All
Display User Score
Yes
Display Passing Score
Yes
Display Pass/Fail Messages
Yes
Email recipient
Questions
Multiple Choice, 10 points, 1 attempt(s) permitted.
1. Which of these types of biological contaminants is NOT a single-celled organism?
Correct
X
Choice
Feedback
Bacteria
Incorrect; viruses are not a single-celled
organism
Viruses
Correct
Protozoans
Incorrect; viruses are not a single-celled
organism
None of the above
Incorrect; viruses are not a single-celled
organism
Multiple Choice, 10 points, 1 attempt(s) permitted.
2. Which of these chemicals is included in a list of those too dangerous to work around for divers?
Correct
Choice
Feedback
Cresol
Incorrect; all of the listed chemicals is included
in a list of those too dangerous to work around
for divers
Xylene
Incorrect; all of the listed chemicals is included
in a list of those too dangerous to work around
for divers
Chlordane
Incorrect; all of the listed chemicals is included
in a list of those too dangerous to work around
for divers
X
Methyl chloride
Incorrect; all of the listed chemicals is included
in a list of those too dangerous to work around
for divers
All of the above
Correct
True/False, 10 points, 1 attempt(s) permitted.
3. When preformed by properly trained personnel contaminated-water diving is 100 percent safe.
Correct
Choice
True
X
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
4. A positive pressure regulator is recommended for divers; why?
Correct
Choice
Feedback
Full-face masks can leak
Incorrect; A positive pressure regulator is
recommended for divers because masks leak,
become loose, and straps break
Full face-masks can become loose
Incorrect; A positive pressure regulator is
recommended for divers because masks leak,
become loose, and straps break
X
Full-face masks may break straps
Incorrect; A positive pressure regulator is
recommended for divers because masks leak,
become loose, and straps break
All of the above
Correct
Multiple Choice, 10 points, 1 attempt(s) permitted.
5. Preparation for a contaminated water dive begins with:
Correct
X
Choice
Feedback
Team training
Correct
Dive planning
Incorrect; Preparation for a contaminated
water dive begins with team training
Equipment selection
Incorrect; Preparation for a contaminated
water dive begins with team training
Gear set-up
Incorrect; Preparation for a contaminated
water dive begins with team training
Multiple Choice, 10 points, 1 attempt(s) permitted.
6. When does the decontamination process begin?
Correct
X
Choice
Feedback
When the diver enters the water
Incorrect; the decontamination process begin
when the diver exits the water
When the diver is in the water
Incorrect; the decontamination process begin
when the diver exits the water
When the diver exits the water
Correct
An hour after the diver exits the water
Incorrect; the decontamination process begin
when the diver exits the water
Multiple Choice, 10 points, 1 attempt(s) permitted.
7. What is the number one priority when diving in contaminated water?
Correct
X
Choice
Feedback
Safety
Incorrect; Personal hygiene is the number one
priority when diving in contaminated water
Personal hygiene
Correct
The dive mission
Incorrect; Personal hygiene is the number one
priority when diving in contaminated water
None of the above
Incorrect; Personal hygiene is the number one
priority when diving in contaminated water
Multiple Choice, 10 points, 1 attempt(s) permitted.
8. Where does definitive decontamination of diving equipment take place?
Correct
X
Choice
Feedback
On the diving boat
Incorrect; definitive decontamination of diving
equipment take place at a dedicated facility
Back on shore
Incorrect; definitive decontamination of diving
equipment take place at a dedicated facility
At a dedicated facility
Correct
At an uncontaminated site
Incorrect; definitive decontamination of diving
equipment take place at a dedicated facility
Multiple Choice, 10 points, 1 attempt(s) permitted.
9. Which of these chemicals are NOT considered too hazardous for divers?
Correct
X
Choice
Feedback
Acetic anhydride
Incorrect; all of the listed are chemicals
considered too hazardous for divers
Acrylonitrile
Incorrect; all of the listed are chemicals
considered too hazardous for divers
Styrene
Incorrect; all of the listed are chemicals
considered too hazardous for divers
Ethylbenzene
Incorrect; all of the listed are chemicals
considered too hazardous for divers
None of the above
Correct
Multiple Choice, 10 points, 1 attempt(s) permitted.
10. What does SUS stand for?
Correct
X
Choice
Feedback
Suit-under-suit
Correct
Suit-under-suction
Incorrect; SUS stands for Suit-under-suit
Successful-underwater-salvage
Incorrect; SUS stands for Suit-under-suit
Suit-under-straps
Incorrect; SUS stands for Suit-under-suit
True/False, 10 points, 1 attempt(s) permitted.
11. Diving is always an option when unacceptable exposure conditions exist.
Correct
Choice
True
X
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
12. Is it possible to use a full-face masks with a fully closed-circuit rebreather?
Correct
X
Choice
Feedback
Yes
Correct
No
Incorrect; it is possible to use a full-face masks
with a fully closed-circuit rebreather
True/False, 10 points, 1 attempt(s) permitted.
13. Divers do not have to personally test the non-return valve on any surface-supplied diving
helmet.
Correct
Choice
True
X
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
14. During the gross decontamination process, will the diver be wearing his equipment?
Correct
X
Choice
Feedback
Yes
Correct
No
Incorrect; the diver will be wearing his
equipment during the gross decontamination
process
Yes, but only some of it.
Incorrect; the diver will be wearing his
equipment during the gross decontamination
process
Multiple Response, 10 points, 1 attempt(s) permitted.
15. As a minimum, polluted-water dive training should include: (select all that apply)
Correct
Choice
X
Hazard recognition and evaluation
X
Go/No-Go decision making
X
Equipment selection
X
Dive planning
X
Dress-in procedures
X
Diving procedures
X
Emergency procedures
X
Postdive decontamination
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
16. Types of hazards of concern to divers working in polluted water environments include: (check
all that apply)
Correct
Choice
X
Biohazards
X
Radiation
X
Toxic Chemicals
X
Thermal Conditions
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
17. The same hazardous materials that would concern a person above water are a concern to
divers underwater. The main difference in dealing with a hazardous material underwater is that,
in most cases, _____.
Correct
X
Choice
Feedback
the hazardous material is suspended or
dissolved in the water around the diver.
Correct
the hazardous material is buffered by the
water and of less concern than the same
material encountered on land.
Incorrect; The main difference in dealing with a
hazardous material underwater is that, in most
cases, the hazardous material is suspended or
dissolved in the water around the diver.
the diver is protected from the hazardous
material because s/he is breathing from a self
contained air supply.
Incorrect; The main difference in dealing with a
hazardous material underwater is that, in most
cases, the hazardous material is suspended or
dissolved in the water around the diver.
the divers don't know the hazardous material
is there.
Incorrect; The main difference in dealing with a
hazardous material underwater is that, in most
cases, the hazardous material is suspended or
dissolved in the water around the diver.
True/False, 10 points, 1 attempt(s) permitted.
18. The SUS system developed by NOAA and EPA is designed to deal with both thermoregulation
of the diver and suit leakage.
Correct
X
Choice
True
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
19. Disadvantages of full-face masks include: (select all that apply)
Correct
Choice
X
Using more breathing gas as compared to other open circuit scuba equipment.
X
Increases in buoyancy can produce jaw fatigue.
X
Ear membranes are still at risk due to water exposure.
Full-face masks cannot be configured for positive pressure free-flow if the mask leaks.
Full-face masks do not allow for the use of voice communication equipment.
Being limited by supplying breathing gas only from a surface supplied source.
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
20. The features of a drysuit for use in polluted water diving includes: (select all that apply)
Correct
Choice
X
If to be used with a full-face mask, the suit must be equipped with a latex or vulcanized rubber
hood which is attached directly to the suit.
X
The suit material should be smooth and non-porous.
X
The suit must have attached boots.
X
If using a diving helmet, the helmet should mate directly to the suit.
If to be used with a diving helmet, the suit must be equipped with a latex or vulcanized rubber
hood which is attached directly to the suit.
X
Dry gloves.
X
Wrist seals
The suit material should be smooth and porous.
Feedback when correct: Correct
Feedback when incorrect: Incorrect