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Latest news on decompression illness

Here is below the full questionnaire without comprehensive answers attached to it. If you want the explanation please do the online questionnaire decompression illness in scuba diving to get a full and informative review on the last knowledge of decompression illness in scuba diving.

Only one answer per question. Be careful because some answers are close so you must choose the best one.

1/ What is a decompression illness?
a) same as decompression sickness (D.C.S)
b) same as pneumothorax
c) all kind of emphysema
d) a barotrauma accident
e) arterial gas embolism (A.G.E)
f) a+e
g) b+c
h) a+d
2/ If you strictly respect the non decompression limit on the dive tables (whatever you are using US NAVY, MN90, BSAC, PADI,….) or any good dive computer with the latest deco algorithm a diver will never have an accident of decompression (decompression sickness).
3/ What is the most contributing factor to get a decompression sickness?
a) if I cannot equalized my air in the inner ear
b) if I do a quick and uncontrolled ascent
c) after a long and deep dive
d) never, it happens only to divers with little experience
4) Choose which factor is the most relevant and can be controlled by the diver to contribute to a decompression sickness ?
a) age
b) dehydration
c) ashma
d) obesity and bad health condition
e) fatigue
5) Which activities you should avoid after diving ?
a) drive at altitude in a mountain
b) drink alcohol
c) do cardio exercise
d) do breath hold dive like spear fishing
e) take a plane in the next 24 hours
f) all of the above
6) Usually the decompression sickness is split into 2 categories: type I or type II. Which part of the body is affected under the type I DCS?
a) brain
b) lung
c) heart
d) skin, join and muscles
e) eyes, vision
7/ What could be the signs and symptoms of a decompression illness?
a) vertigo
b) join pain
c) muscle weakness
d) limbs numbness
e) visual disturbance
f) all of the above
8) Can you find below one point as a sign or symptom of decompression sickness?
a) mask partly flooded with blood
b) foolish behavior
c) cherry-red lips
d) impaired vision
e) difficulty urinating
f) all of the above
g) d & e
h) b & c
9/ What is the maximum of time a decompression sickness will show sign or symptoms?
a) less than 10 minutes
b) less than an hour
c) less than 6 hours
d) less than 12 hours
e) less than 18 hours
f) up to 24 hours
10) Is the timing important for a DCS treatment?
a) yes time is critical because if the treatment cannot be started within an hour, then it will become useless
b) yes as soon as possible to allow a better chance of full recovery
c) not really as long as the treatment is done properly
d) no if this is a type I DCS, yes if this is a type II
e) it is better to wait and observe the evolution of the victim and later on to decide which  treatment is the best
11) what is the best you can do when you face a decompression sickness?
a) give as quick as possible 100% o2, give lots of liquid to drink (if the diver is responsive) and bring to any medical resource
b) bring quickly to any medical resource, don't give any o2 to avoid masking the initial symptoms
c) dive back and make appropriate safety stop
d) put the diver on the side with legs up (to avoid the nitrogen bubbles to travel to the brain) and give 100% o2 if available
e) give aspirin and lots of water
12) What best treatment is required for a decompression illness?
a) drink lots of water and have long sleep
b) immediately go back to dive and do long safety stops according to your dive profile
c) do snorkeling and breath hold dive
d) no treatment is necessary, body will recover after some time
e) treatment in a deco chamber with different o2 percentage
f) give drugs like anti-inflammatory or analgesics

ANSWERS ONLY. We highly recommend you to do the online questionnaire decompression illness in scuba diving to get the full answers.
1) (f)
3) (c)
4) (b)
5) (f)
6) (d)
7) (f)
8) (e)
9) (e)
10) (b)
11) (a)
12) (e)
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