Gear
BCD stands for?
Buoyancy control devices
What species of lobster is native to the Southeast Coast in the US?
The Caribbean (Florida) Spiny Lobster
At what pressure is it usually time to turn around?
1500
What are the signs for ascent and descent?
Thumb up or down
What does SCUBA stand for?
Self-Contained Underwater Breathing Apparatus
You don't want to buy a computer, as a safe diver who doesn't use your buddy's stats, what's your other option?
Dive Tables
How can biologists identify individual Common Bottlenose Dolphins?
The shape and scarring of the dorsal fin.
What can divers do to drastically reduce the chance of marine life-related injuries?
Keep your hands to yourself
What is the boat signal for okay?
O made with both arms or one arm and your head.
Which nation has the largest percentage of the world's coral reefs?
Indonesia
What does it mean to a boat if they see a diver with their mask on their forehead?
The diver is distressed
In the same way that clownfish are protandrous, fish like wrasse, parrotfish, and grouper are all protogynous. What does protogynous mean?
The fish is born female and later becomes male.
How long is it recommended by DAN to wait after a mandatory decompression dive before boarding a plane?
24 hours
Sign that you have a tank pressure of 1700 PSI.
1 fingers on arm, then 7 held up on hands
Which state is home to the most certified divers per capita?
Colorado
What is the average size of an aluminum scuba tank?
80 cubic feet (11.1 liters)
What are three members of the Sphyrnidae (Hammerhead Sharks) family?
Bonnethead, Carolina Hammerhead, Great Hammerhead, Scalloped Hammerhead, Shovelbill Shark, Winghead Shark . . .
What is Decompression Sickness or the Benz?
A medical condition caused by a rapid drop (ascending too quickly) in the surrounding pressure of air or water. It happens when dissolved gases form dangerous bubbles in your blood and body tissues.
Sign for a big moray eel
Hands spread, hand open like an eel's mouth
In the state of Florida, who is featured on all cave diving warning signs?
The Grim Reaper
List four gear manufacturers that make regulators.
Aqua Lung, Cressi, Scuba Pro, Mares, Apeck, Sherwood, Atomic Aquatics, Oceanic . . .
Name the 7 sea turtle species.
Leatherback, Loggerhead, Hawksbill, Green, Olive Ridley, Kemp's Ridley, Flatback
What is the term for when your eye pops out due to pressure?
Globe Luxation
What is the sign for turn the dive, and head back?
Spinning a pointing-up finger in a circle
Underwater, we generally see objects magnified by what percent?
33%