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Test - how good is your knowledge really?

Below you will find 20 questions, selected randomly from our database. Choose the best answer to each of the questions. Once you answered all questions, enter your first name and your email address. You receive the score for all questions, and – if you should have mistakes – the correct answers by email.

Question

Options

Answer

If blood soaks trough a bandage when you take care of a bleeding patient, you should:

A: apply a pressure point.
B: apply a tourniquet.
C: remove the bandage and place a new one and continue to apply direct pressure
D: place a new bandage on top of the first and continue to apply direct pressure.

A diver is using a special scuba unit. The unit releases bubbles only on very seldom occasions, such as during the ascent. A unit of this type is called:

A: a broken scuba unit.
B: an open circuit scuba system.
C: a semi closed rebreather.
D: a closed system rebreather.

A diver starts at 9.00 hr in the morning and plans an intensive day of diving. 4 dives will be made, using the following profiles: 1st dive – 17 meters for 56 minutes. After a 1hr 24 minute surface interval a 2nd dive to 17 meters during 38 minutes. Between the next dives the diver makes the surface intervals as short as allowed. The 3rd dive goes to 14 meters during 63 minutes. How long can a 4th dive to 14 meters be and what is the total number of safety stops the diver is required to make this day? Use the RDP table version for this question.

A: 61 minutes, 3 stops.
B: 8 minutes, 4 stops.
C: 90 minutes, 4 stops.
D: PADI standards only allow 3 dives a day and this not in an entry level course.

Why is it more difficult to recognize an carbon monoxide poisoning under water than at the surface?

A: Because the carbon monoxide is taste- and odor less
B: Because the red color is difficult to see under water
C: Because hypoxia is delayed under water
D: B and C are correct

What is a mammalian dive reflex (bradycardia)?

A: the friendly reaction of whales to divers.
B: an urge to go back to the surface.
C: stress caused by a head first dive at the surface.
D: a reaction to cold water and pressure which reduces the pulse.

When an object is ___ kg negatively buoyant you should use an lifting device to recover the object:

A: 10 - 15 kg
B: 4 - 5 kg
C: 15 - 20 kg
D: This depends on the physical force of the diver

Which is the first color we can not recognize anymore when descending?

A: Green
B: Yellow
C: Red
D: This depends if it is fresh or salt water

A fluid which is saturated under a high pressure with air, can start releasing Nitrogen and oxygen in bubbles when:

A: you heat the fluid.
B: you shake the fluid.
C: the surrounding pressure is reduced rapidly.
D: None of the above.

If you can breath for 120 minutes from a 10 liter scuba-cylinder at 200 bar at the surface, how long could you breath from the same air supply at 20 meters depth?

A: 30 Minutes
B: 40 Minutes
C: 60 Minutes
D: 120 Minutes

Extreme advanced hypothermia:

A: has symptoms including shivering and numb fingers and toes.
B: is easily handled by simple rewarming.
C: is impossible when wearing a dry suit.
D: Non of the above.

A Diver uses the RDP table version to make a series of 3 dives. The 1st dive goes to 22 meters during 32 minutes. After a 52 minute surface interval the diver makes a dive to 14 meters during 71 minutes. The diver now wants make a dive to 14 meters for 45 minutes after waiting the minimum time allowed between the dives. What is the repetitive group after the last dive?

A: Y
B: O
C: V
D: None of the above.

The best time to do an dive is _____ because you have most____.

A: in the morning / dawn active animals
B: during a storm / water movement
C: at midday / light u/w
D: when the ocean is calm / animals

Which problem is normally not a concern for the ear while diving?

A: A rupture of the eardrum
B: A rupture of the round window
C: A rupture of the oval window
D: Fluid filling up the middle ear

What is a hydrostatic test?

A: A test to verify that diving equipment is anti-magnetic when under water.
B: A test to see to which depth a drysuit can be used.
C: A test to give a regulator CEN approval.
D: A test in which the cylinder is filled with water and put under pressure.

A diver is suspected of having decompression sickness. As a part of the management of the accident, you have to:

A: Give oxygen and transport the patient as soon as possible to the nearest recompression chamber
B: Give oxygen and contact only the local emergency medical services.
C: Give oxygen, contact the local emergency medical services and DAN or a local recompression chamber for advise.
D: None of the above.

Looking at the main ocean currents, you can expect the water along the coast of Japan the be:

A: flowing south and being warm.
B: flowing north and being cold.
C: flowing north and being warm.
D: flowing south and being cold.

When performing the controlled emergency swimming ascent the student have to:

A: Drop the weight belt and then swim as fast as possible against the surface while continuously making an aaaaah sound
B: Drop the regulator and swim to the surface emitting an aaaaah sound
C: Ascent to the surface with an normal ascent rate with all the equipment in place and emitting an aaaaaah sound
D: Keeping all equipment in place, ascent to the surface with the help from a rope, while emitting an aaaah sound

How long is the recommended surface interval before flying after multiple days with multiple dives each day?

A: 12 hours
B: More than 12 hours
C: 24 hours
D: 48 hours

Which definition of an balanced first stage is correct?

A: When the pressure in the cylinder is decreasing the intermediate pressure is also decreasing
B: When the pressure in the cylinder is decreasing the intermediate pressure stays the same
C: When the pressure in the cylinder is decreasing the intermediate pressure increases
D: The question can’t be answered since we have to know which type the second stage is

What should you do if you accidentally leave out an emergency decompression stop?

A: Immediately descent to 12 meters and follow the recommended procedures
B: Breath pure oxygen
C: Don’t dive for 24 hours
D: Answer B and C is correct

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