BSAC sports diver theory EXAM QUESTIONS
SOLVED 100% CORRECT!!! 2025
What's a thermocline?
Sudden change in temperature, may look oily/ shiny and produce a change in visibility
What can you do to reduce the effect of glare on the surface (as a boat crew member, not a
diver?)
- wear polarised sunglasses
- position the boat with the sun behind you
What are four things you should take into account when doing a risk assessment?
Conditions, depth, breathing gas and equipment
As neoprene wetsuits compress, there is a loss of what?
Thermal insulation
What precautions can you take to minimise the risk of a dive to yourself and your buddy?
-don't dive if you're unsure
- service equipment
- back up supply of gas
- pre agreed narcosis check (at agreed depth or gas level)
- practiced rescue skills
-
What are the four practised rescue skills you'll do as a sports diver?
CBL/AS, basic life support (BLS), rescue breathing (RB), chest compressions (CC)
What's the in water life support sequence? (6)
- make bouyant
- shout for help
,- extend airway
- give 1 minute RB's
- tow to shore or RB while waiting for boat
- de-kit and land/recover
What does IPO stand for?
Immersion Pulmonary Oedema
What can IPO be confused with?
Drowning, as both involve fluid in the lungs.
What's the difference between IPO and pulmonary oedema?
IPO = PO but when in water
What is IPO?
Fluid going from alveolar capillaries into the sacs, as compression of the legs forces blood to
collect in the chest.
What are risk factors for IPO?
High blood pressure, strenuous exercise, excessive hydration.
What are signs of IPO?
Breathing difficulties (even when on the surface, not undergoing strenuous exercise) ,
confusion e.g signalling out of air when it's fine, or a belief that their regulator isn't working
properly.
What are the six treatment points for IPO?
Get out the water, sit upright if conscious, be given oxygen, kept warm, DO NOT GIVE FLUIDS,
seek medical attention.
What's BLS?
, Basic life support
What are the four things to check for under the response section of DRABCD?
A alert
V response to voice
P response to pain
U unresponsive
How long should you check for breathing before determining a casualty is not breathing?
10 seconds
What's the BLS sequence?
30 chest compressions followed by 2 breaths
What does AED stand for?
automated external defibrillator
How often should you switch CPR if there's more than one rescuer?
Every 2 minutes
What does CC stand for?
Chest compressions
Why must an oxygen administration kit be removed from a casualty before an AED shock?
Risk electric shock will cause the oxygen to combust
At what rate should chest compressions be given?
100-120 bpm, remember to stop every 30 to admin get two rescue breaths
When doing CC, when should you stop to check breathing?
Only if it has obviously returned to normal, otherwise don't stop CPR until help arrives.
SOLVED 100% CORRECT!!! 2025
What's a thermocline?
Sudden change in temperature, may look oily/ shiny and produce a change in visibility
What can you do to reduce the effect of glare on the surface (as a boat crew member, not a
diver?)
- wear polarised sunglasses
- position the boat with the sun behind you
What are four things you should take into account when doing a risk assessment?
Conditions, depth, breathing gas and equipment
As neoprene wetsuits compress, there is a loss of what?
Thermal insulation
What precautions can you take to minimise the risk of a dive to yourself and your buddy?
-don't dive if you're unsure
- service equipment
- back up supply of gas
- pre agreed narcosis check (at agreed depth or gas level)
- practiced rescue skills
-
What are the four practised rescue skills you'll do as a sports diver?
CBL/AS, basic life support (BLS), rescue breathing (RB), chest compressions (CC)
What's the in water life support sequence? (6)
- make bouyant
- shout for help
,- extend airway
- give 1 minute RB's
- tow to shore or RB while waiting for boat
- de-kit and land/recover
What does IPO stand for?
Immersion Pulmonary Oedema
What can IPO be confused with?
Drowning, as both involve fluid in the lungs.
What's the difference between IPO and pulmonary oedema?
IPO = PO but when in water
What is IPO?
Fluid going from alveolar capillaries into the sacs, as compression of the legs forces blood to
collect in the chest.
What are risk factors for IPO?
High blood pressure, strenuous exercise, excessive hydration.
What are signs of IPO?
Breathing difficulties (even when on the surface, not undergoing strenuous exercise) ,
confusion e.g signalling out of air when it's fine, or a belief that their regulator isn't working
properly.
What are the six treatment points for IPO?
Get out the water, sit upright if conscious, be given oxygen, kept warm, DO NOT GIVE FLUIDS,
seek medical attention.
What's BLS?
, Basic life support
What are the four things to check for under the response section of DRABCD?
A alert
V response to voice
P response to pain
U unresponsive
How long should you check for breathing before determining a casualty is not breathing?
10 seconds
What's the BLS sequence?
30 chest compressions followed by 2 breaths
What does AED stand for?
automated external defibrillator
How often should you switch CPR if there's more than one rescuer?
Every 2 minutes
What does CC stand for?
Chest compressions
Why must an oxygen administration kit be removed from a casualty before an AED shock?
Risk electric shock will cause the oxygen to combust
At what rate should chest compressions be given?
100-120 bpm, remember to stop every 30 to admin get two rescue breaths
When doing CC, when should you stop to check breathing?
Only if it has obviously returned to normal, otherwise don't stop CPR until help arrives.
