Best answer: What safety precautions should a diver know during descent?

What are some safety considerations divers must be aware of before entering the water?

Good rules to follow for safe diving include:

  • Never dive without a buddy.
  • Never dive if you have a cold or are congested in your ears or nose.
  • Always plan your dive, and always dive your plan.
  • Check your diving equipment to make sure it works. …
  • Do not drink alcohol or take drugs before diving.

What happens when a diver descends?

As we’ve seen, as you descend on a dive, the increased pressure causes the volume of air in your lungs to decrease. But as this happens, the partial pressure of the air inside your lungs increases. This means that there is a greater concentration of oxygen and other gases in our lungs than there is in the blood.

What problems occur on descent for scuba divers?

As you descend, water pressure increases, and the volume of air in your body decreases. This can cause problems such as sinus pain or a ruptured eardrum. As you ascend, water pressure decreases, and the air in your lungs expands.

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What does diving safety begin with?

Terms in this set (2)

Diving safety begins with personal awareness and self-sufficiency. Awareness includes being able to realistically evaluate your physical and mental abilities, being conscious of your surroundings, properly maintaining your equipment and monitoring your depth, time and air pressure during a dive.

What are the five steps in a pre dive safety check?

The 5 Steps in a Pre-Dive Safety Check

  • Step 1: B-BCD. The functions of the BCD are the first items to be checked during the buddy check. …
  • Step 2: W-Weights. The second step in the pre-dive safety check requires you to check your buddy’s weights and weight belt. …
  • Step 3: R-Releases. …
  • Step 4: A-Air. …
  • Step 5: F-Final.

What do you need to dive?

Here is a list of the basic scuba diving equipment you will need.

  1. Diving Mask and Snorkel. …
  2. Wetsuit or Drysuit. …
  3. Scuba Gloves. …
  4. Fins. …
  5. Scuba Tank. …
  6. Regulator. …
  7. Depth Gauge, Submersible Pressure Gauge (SPG), & Compass. …
  8. Dive Computer.

What do I need to do to prepare for scuba diving?

Here are our best tips for making your first dive trip go off without any hassles, headaches or hitches.

  1. Research easy-diving destinations. …
  2. Make a packing checklist. …
  3. Test your gear. …
  4. Make a save-a-dive kit. …
  5. Limit the number of new gear items or dive experiences.

What are 5 general things that you want to assess in a diving accident?

Ask DAN: Managing Dive Accidents & Injuries

  • 1) Come Prepared. Above all else, first-aid education should be paramount among all divers. …
  • 2) Stay Calm. …
  • 3) Assess the Situation. …
  • 4) Assess Responsiveness. …
  • 5) Call It In. …
  • 6) Basic Life Support. …
  • 7) Identify the Injury. …
  • 8) Follow the Leader.
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What causes uncontrolled descent diving?

An uncontrolled ascent is also known as an Emergency Ascent which is always an unplanned ascent, where a diver aborts a dive due to equipment problems, out-of-air situation, or injury to self, or another diver which are intentionally initiated emergency ascents or unintentionally initiated ascents (also known as a …

What is the first thing I should do with an injured diver at the surface?

What is the first thing you should do with an injured diver at the surface? Make the diver float and check to see if the diver is breathing. Imagine you accidentally get tangled in something.

Why should divers consider pressure when they descend toward the bottom of the ocean?

As divers descend down towards the bottom of the sea, the water pressure on their eardrums increases. This pressure against the eardrums causes the symptoms of ear squeeze.