DIVING NEWS
|
FEATURES
|
ARTICLES
|
SERVICES
|
ONLINE
|
CONTACT US
|
DIVE SAFETY
|
TRAVEL
|
EQUIPMENT
|
FIND
Find
Register
Buddies
Quizzes
Contests
Links
Search
Help
Diving Equipment & Gear
Dive Bags
Books, Videos & CD's
Boots
Buoyancy Compensators
Underwater Cameras
Clips and Reels
Closeouts & Discounts
Dive Clothing
Underwater Communication
Scuba Compressors
Dive Computers
Dive Skins
Dry Boxes
Dry Suits
Fins
Free Diving Gear
Scuba Diving Gauges
Gift Certificate
Gift Items
Dive Gloves
Dive Hoods
Hookah Systems
Kayaks
Kidz Gear
Knives
Lights
Masks
Miscellaneous
Octos/Spare Air
Regulators
Safety/First Aid
Scooters
Snorkels
Spearguns
Surfing
Swimming
Tanks
Tek Gear
Travel
Used Gear
Watches
Weights and Belts
Wetsuits
Travel
Caribbean & Bermuda
Mexico, Central & South America
Western Pacific
South Pacific
South East Asia
Africa & Indian Ocean
Red Sea & Middle East
Hawaii
Liveaboards
Travel Bargains
Directories
Education
Ask The Pro
Goin' Pro
I Learned
Scuba Med
Totally Tek
Training
Other
Awards
Wreck Facts
Divin' USA
Editorial
Encounters
Environment
Personalities
Photography
Time Capsules
Directories
Account
Login
Sign Up
Have you taken the
shark quiz?
Heat Retention Quiz
by Dennis K. Graver
True
False
A calm, relaxed scuba diver who breathes slowly retains more heat than an excited, nervous diver who breathes rapidly.
True
False
A submerged, chilled scuba diver can produce and retain excess body heat by exercising vigorously.
True
False
The water warmed by a body inside a wetsuit helps the wearer retain body heat.
True
False
A diver retains more heat with the head properly insulated than with the upper and lower legs insulated.
True
False
Hand coverings help retain body heat even if the wearer's hands are cold and numb.
True
False
A one-eighth inch (2 to 3 mm) neoprene vest worn beneath a wetsuit increases body heat retention by about 16 percent.
True
False
Measures to increase body heat retention by reducing water circulation in a wetsuit are more effective than increasing the thickness of the suit material.
True
False
Spandex exposure suits (nylon/Lycra skins) provide 45 percent more insulation than bare skin.
True
False
Spandex suits containing thermoplastic retain body heat about the same as Spandex suits without thermoplastic.
True
False
Polypropylene undergarments worn beneath insulation in a drysuit retain more body heat than cotton undergarments worn beneath insulation.
True
False
Wet wool retains body heat better than wet cotton, nylon or rayon.
True
False
Several layers of insulation retain body heat better than one thick layer of insulation.
True
False
A person retaining excessive body heat may feel weak, dizzy and nauseous.
True
False
It is not necessary to call EMS if an overheated person stops sweating, refuses water or vomits.
True
False
Pre-dive cooling with water is a recommended practice to avoid excessive body heat retention.