General Skills & Environment Quiz Flashcards
During a CESA, a diver should:
go up as fast as possible
ascend no faster than your fastest bubbles while making a continuous Ahhh sound
ascend at the normal ascent rate, no faster than 60 feet/minute while making a continuous Ahhh sound.
hope that you make it to the surface
ascend at the normal ascent rate, no faster than 60 feet/minute while making a continuous Ahhh sound.
Every diver diving in a new location regardless of certification level should do an environmental orientation also known as Discover Local Diving.
True
False
True
When administering CPR a rescuer should maintain a cycle of _____ chest compressions to _____ breaths.
5: 1
30: 2
2: 30
2: 50
30:2
If an object weighs more than 3-5kilos/10-15lbs or if you need to fully inflate your BCD to bring it off the bottom, a diver should use a lift bag instead of trying to make it to the surface with out one.
True
False
True
Which of the search patterns listed below requires the use of a compass?
The expanding square
The circle pattern
The semi-circle pattern
The inverse zig-zag pattern
The expanding square
True or False: Tides have no effect on shore diving.
True
False
True
Jellyfish tentacles on a diver who has been stung should be removed with:
Their buddy’s fingers
A crew members fingers
Tweezers or forceps
Cold sea water
Tweezers or forceps
Three important factors to consider in the dive planning process are:
the intended depth and duration of the dive, direction/course of the dive, a and air consumption consideration for each
the intended amount of fun on the dive, color of equipment and air consumption consideration for each diver in the group
site selection this is beyond the diver’s level of training, intended depth/duration of the dive and air consumption
All of the above
the intended depth and duration of the dive, direction/course of the dive, a and air consumption consideration for each
Three general steps that are involved in the search for an item underwater are:
Enlisting the help of the Sierra club, agreeing on emergency procedures, selecting and practicing a search pattern pr
Establishing depth and time limits for the search operation, discuss and agree upon emergency procedures for accident
Assembling a tent to establish a base for operation, discuss and agree upon emergency procedures for accidents, calling 911.
Calling the US Navy Special Operations unit for help, establishing depth and time limits for the search operation, procedures to follow.
Establishing depth and time limits for the search operation, discuss and agree upon emergency procedures for accident
When preforming an underwater search for an object, what should be considered.
The size of the object
Bottom type
Water conditions
All of the above
All of the above
When your buddy gives you the cut throat signal underwater it means:
Watch your back
You’re dead meat
Out of air
Where’s the boat
Out of air
The environmental element that is primarily responsible for causing waves is:
Upwelling
The gravitational pull from the sun and the moon
Wind
Bottom type
Wind
When a diver gives his or her buddy the clinched fist toward the chest signal he or she is saying:
Out of air
I love you.
I’m having a heart attack
Low on air
Low on air
To help avoid injury when diving in an unknown location, divers should:
receive a discover local diving formal orientation from a diving professional familiar with the area
wear an exposure suit appropriate for the area
use a diver propulsion vehicle
use a special cave diving light
receive a discover local diving formal orientation from a diving professional familiar with the area
Waves break on shore when the depth is about equal to ______ times the height of the wave
1/2
1/3
1/4
1/5
1/3
In Africa the current runs _________, in a ___________ flow.
North to South, Clockwise
South to North, Clockwise
North to South, Counterclockwise
South to North, Counterclockwise
South to North, Counterclockwise
If you do not have a calibrated measuring device, short distances underwater are most accurately measured in:
Kick cycles
Arm spans
Leg spans
Frog kicks
Arm spans
According to PADI standards, you are required to carry two lights on a night dive
True
False
False
Which navigational technique is often used to locate a dive site?
compass and airborne navigation
celestial and path navigation
turbid and natural navigation
natural and compass heading
natural and compass heading
What is the recommended first aid for venomous wounds from marine life?
soak in cold water, if protein based
soak in hot water, if protein based
apply vinegar and then ice
apply antibiotics
soak in hot water, if protein based
Which of the following are recommended technique(s) for orienting yourself in a limited visibility environment?
Diving in a known area or with a buddy that has diving experience in the area.
To use a diver population vehicle and compass
To be unaware of depth and current changes
Remembering that sand ripples on the bottom usually occur perpendicular to the shoreline
Diving in a known area or with a buddy that has diving experience in the area.
A person who has had a near drowning experience while on the boat returns to shore and are feeling good, you should:
Let them go
Let them go, however tell them to keep you posted on there health conditions
Insist they seek medical care immediately
Tell the to go to the doctor in the next couple of days for a check up
Insist they seek medical care immediately
What is generally accepted as Night diving procedures in terms of lights?
Have 3 light system- a primary light, a back up and then a chemical glow light (very unlikely for this to burn out)
Have 2 light system- a primary light and a chemical glow light
Have a primary light with new batteries
Have a chemical light attached to your tank so everyone can see where you are
Have 2 light system- a primary light and a chemical glow light
The horizontal boundary between waters of differing temperature is defined as:
halocline
thermocline
thermal zone
reverse thermocline
thermocline
Special procedures must be followed for altitude diving because:
Decompression sickness may occur at shallower depths
The ambient pressure at altitude is less than at sea level
Actual depths must be converted to theoretical depths to find no decompression limits on the RDP
all of the above
all of the above
Tides are caused by:
The gravitational pull of the sun and the moon with the moon having the biggest effect.
The gravitational pull of the sun and the moon with the sun having the biggest effect
Only the moon
Only the sun
The gravitational pull of the sun and the moon with the moon having the biggest effect.
The correct procedure for performing a Controlled Emergency Swimming Ascent (CESA) include:
Remove weight belt and swim to the surface while exhaling, attempting to control ascent rate and making the aah sound
With equipment in place, look up, reach up prepare to vent excess air from BCD and swim at a normal pace toward surface while making a continual ahhhh sound.
Signal buddy, locate and secure an alternate air source and make a controlled ascent to the surface.
Swim quickly towards the surface while make the aah sound.
With equipment in place, look up, reach up prepare to vent excess air from BCD and swim at a normal pace toward surface while making a continual ahhhh sound.
The effect of the moon on tidal action is about:
half the effect of the sun
twice the effect of the sun
equal to the effect of the sun
the same as the effect of the sun
twice the effect of the sun
When waves break on shore and the backrush is funneled through a narrow opening, the condition is known as:
A feeder current
Undertow
A rip current
The gulf stream
A rip current
If wounded by venomous marine life the diver should :
Immerse the wound in hot water for 30-90 minutes
Immerse the wound in sea water for 30-90 minutes
Immerse the wound in cold water for 30-90 minutes
Rub aloe on the wound
Immerse the wound in hot water for 30-90 minutes
The first aid treatment for a diver suffering from DCS is to have the patient breathe 100% oxygen, and have them:
sit up, making sure they’re comfortable
lay them down, making sure they’re in a comfortable position
lay them in a left-side, head low position
make sure they’re standing and walking around
lay them in a left-side, head low position