Dive Physics and Medicine
____ number of feet in salt water is considered 1 atmosphere.
What is: 33 feet of salt water
This piece of equipment is used to compensate for the positive bouyancy of the diver and equipment.
What is: Lead Weights
The time frame often used differentiate between a recovery and a rescue.
What is: The Golden Hour
Divers should be fully ___ before entering contaminated water.
What is: Fully Encapsulated
This life saving device should be worn by all personnel when working near bodies of water.
What is: a PFD
This gas is used as treatment by first responders for most diving ailments.
What is: Oxygen
This device may be used by the diver to during an Out of Gas scenario to access breathing gas without removing the Full Face Mask
What is: Gas Switch Block
This hazard is found in fast moving water, often taking the form of a fallen tree.
What is: A strainer
A body of water containing human remains is considered _____
What is: Grossly Contaminated
Dive Support pressonel should use this when dressing and preparing a diver.
What is: A Checklist
This physics principle is associated with an increase in gas consumption rates at depth?
What is: Boyles Law
An Aluminium 80 is considered full at this pressure.
What is: 3000 psi
Water moving faster than ___ is considered swift water.
What is: 1 knot
Bodies of water tend to be more contaminated after this weather event.
What is: Rain, the First Flush
This is the dive tenders sole responsibilty on scene.
What is: the Diver
This diving injury that occurs in the lungs is caused by the inability of gas to escape while expanding.
What is: A lung over-expandsion injury
True or False: A failure is a high-pressure hose will leak gas faster than a low-pressure hose.
What is: False
All water is considered ___ until proven otherwise
What is: Contaminated
Water containing Human remains are considered this level of contaminated based on the US Navy Contaminated Water Classification Levels
What is: Category 1
A tenders sole responsibilty is to ___
What is: Their Diver
This physics principle is described as... "the total pressure by a mixture of gases is equal to the sum of the partial pressures of each of the constituent gases"
What is: Dalton's Law
There is approximately ___ cubic feet of gas for every 100psi in an Aluminum 80.
What is: 2.6
This team position is responsible for responding to a distressed diver during diving operations.
What is: Back-up Diver
This brain-eating Amoebas can be found in warm bodies of fresh water, and is responsible for over 150 deaths in the United States since 1962.
What is: Naegleria fowleri
True or False: A diver in distress can always be pulled to the surface by the tether line
What is: False