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.