Hazardous Aquatic Life
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
True/False, 10 points, 1 attempt(s) permitted.
1. Seawater is an excellent choice for irrigating a wound received in the marine environment.
Correct
Choice
True
X
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
2. Select all of the true statements associated with the general medical procedures for dealing with
marine/aquatic injuries. There are at least four correct answers.
Correct
Choice
X
The general principles of first aid must be monitored.
X
Meticulous attention to basic wound management is necessary to minimize the risk of infection.
Only irrigate a wound after debridement.
X
The use of antibiotics specific to marine or freshwater micro-organisms may be required.
X
An anti-tetanus booster should be administered.
Wounds should be thoroughly cleaned with a 10% bleach solution.
When dealing with a diver suffering an injury from marine life, your only concern is the wound or
envenomation.
Wounds acquired in a marine/aquatic environment present little risk of infection.
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
3. Select the three species of shark responsible for the most unprovoked attacks on man.
Correct
Choice
Gray Reef
X
Great White
Sandbar
X
Bull
X
Tiger
Sand Tiger
Hammerhead
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
4. Select the correct advice to divers encountering sharks. There are at least four correct answers.
Correct
Choice
X
Stay calm and maintain your position in as quiet a manner as possible.
X
Sharks are less likely to attack a school of divers than a solitary individual.
X
If a shark attacks, the best strategy is to hit it on the tip of its nose.
X
If a shark gets you in its mouth, be as aggressively defensive as you are able.
Playing dead is a good strategy during a shark attack.
A shark hunching its back, lowering its pectoral fins, swimming in a rapid zig zag or up and down
course or making rushes in your direction is a bluff and can be ignored.
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
5. Barracuda are thought to be attracted to _____.
Correct
X
Choice
Feedback
shiny objects worn by divers
Correct
bubbles
Incorrect. Barracuda are thought to be
attracted to shiny objects worn by divers.
smell
Incorrect. Barracuda are thought to be
attracted to shiny objects worn by divers.
colors associated with reef fish
Incorrect. Barracuda are thought to be
attracted to shiny objects worn by divers.
True/False, 10 points, 1 attempt(s) permitted.
6. Most divers injured by moray eels have been bitten when reaching into crevices or holes.
Correct
X
Choice
True
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
7. Trigger fish _____ considered territorial _____ aggressive.
Correct
Choice
are not / but can be
X
are / and can be
are / but are not
are not / but are poisonous and
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
8. The order of progression for attempting to control bleeding from a serious bite from a marine
animal is:
Correct
X
Choice
direct pressure, compression over arterial points, tourniquet
tourniquet, compression over arterial points, direct pressure
compression over arterial points, direct pressure, tourniquet
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
9. Of the Blue Ring Octopus, Sea Snake, or North American Cottonmouth Water Moccasin; the
poisonous animal considered the most aggressive.
Correct
X
Choice
Feedback
Blue Ring Octopus
Incorrect. The Cottonmouth Water Moccasin is
considered the most aggressive.
Sea Snake
Incorrect. The Cottonmouth Water Moccasin is
considered the most aggressive.
Cottonmouth Water Moccasin
Correct
All are considered equally aggressive
Incorrect. The Cottonmouth Water Moccasin is
considered the most aggressive.
True/False, 10 points, 1 attempt(s) permitted.
10. Electric Rays can be found in temperate and tropical oceans of the world. They can grow to 6',
weigh up to 200 pounds, and can deliver a shock as high as 200 volts.
Correct
X
Choice
True
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
True/False, 10 points, 1 attempt(s) permitted.
11. Shocks from an electric ray are of minimal concern to divers wearing wetsuits due to the
insolating properties of neoprene.
Correct
Choice
True
X
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 1 attempt(s) permitted.
12. Select all that apply to ciguatera poisoning. There are at least five correct answers.
Correct
Choice
X
About 800 species of fish have been known to carry the toxin.
X
May cause severe disability or even death.
X
Impossible to know if a fish is contaminated without laboratory analysis or feeding a sample to
an animal and watching for a reaction.
X
There is no definitive field therapy.
X
Recovery may require months or even years.
Caused by meat of dark fleshed fish being exposed to sunlight or left standing at room
temperature.
Contaminated fish may have a peppery or sharp taste.
Symptoms usually clear within 8-12 hours.
Treatment includes inducing vomiting and use of epinephrine.
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
13. Paralytic shellfish poisoning is caused by eating shellfish that have ingested _____ containing
toxins poisonous to humans but not shellfish .
Correct
X
Choice
Feedback
phytoplankton
Correct
tetrodotoxin
Incorrect. Paralytic shellfish poisoning is caused
by eating shellfish that have ingested
phytoplankton.
scrombroid histamine
Incorrect. Paralytic shellfish poisoning is caused
by eating shellfish that have ingested
phytoplankton.
ciguatoxins
Incorrect. Paralytic shellfish poisoning is caused
by eating shellfish that have ingested
phytoplankton.
Multiple Choice, 10 points, 1 attempt(s) permitted.
14. A treatment common to punctures from sea urchins, crown-of thorns starfish, and wounds
from fish is:
Correct
X
Choice
to soak the wound in water as hot as is tolerable
urinating on the wound
applying ice
rinse the wound area with vinegar
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
15. The _____ delivers a potentially deadly sting; has caused death through acute respiratory
failure in as little as five minutes; is found in the Indo-Pacific.
Correct
X
Choice
Feedback
Protuguese Man of War
Incorrect. This is a Box jelly or Sea Wasp
Lion's Mane jeffyfish
Incorrect. This is a Box jelly or Sea Wasp
Box jelly (sea wasp)
Correct
Multiple Choice, 10 points, 1 attempt(s) permitted.
16. Use of _____ to remove coelenterate tentacles will stimulate untriggered nematocysts to
discharge.
Correct
X
Choice
Feedback
sea water
Incorrect. Fresh water will cause nematocysts
to discharge.
fresh water
Correct
vinegar
Incorrect. Fresh water will cause nematocysts
to discharge.
urine
Incorrect. Fresh water will cause nematocysts
to discharge.
Multiple Choice, 10 points, 1 attempt(s) permitted.
17. A 5% vinegar solution, drying the skin and applying then removing adhesive tape is a
recommended field treatment for contact with ____.
Correct
X
Choice
Feedback
stinging sponges and bristle worms
Correct
fire coral and blood worms
Incorrect. Applying and removing adhesive
tape is a recommended for field treatment of
stinging sponges.
sea urchins
Incorrect. Applying and removing adhesive
tape is a recommended for field treatment of
stinging sponges.
cone snails
Incorrect. Applying and removing adhesive
tape is a recommended for field treatment of
stinging sponges.
True/False, 10 points, 1 attempt(s) permitted.
18. Grasping a cone snail by the wide end of the shell opposite the radula containing proboscis will
prevent envenomation because the proboscis cannot be extended to reach around to the opposite
end of the animal.
Correct
Choice
True
X
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
19. The venomous fish pictured here is a _____. Its venom is among the most toxic in the world.
Contact with its spines can be potentially fatal.
Correct
X
Choice
Stonefish
Scorpionfish
Bullrout
Lionfish
Feedback when correct: Correct
Feedback when incorrect: Incorrect
True/False, 10 points, 1 attempt(s) permitted.
20. Lionfish, native to the Pacific ocean, are now found in the western Atlantic ocean.
Correct
X
Choice
True
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect