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Deep Diving Techniques & Planning Flashcards

7 cards from real PADI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Deep Diving Techniques & Planning flashcards as text

  1. Which equipment item is considered essential and mandatory for every PADI deep dive?

    Answer: Submersible pressure gauge (SPG)

    A submersible pressure gauge is mandatory because monitoring remaining gas supply is critical for safe ascent planning on every dive, especially deep ones.

  2. At what approximate depth do most divers first begin to experience noticeable nitrogen narcosis?

    Answer: 100 feet (30 meters)

    Noticeable narcosis typically begins around 100 feet (30 meters) for most divers, though individual susceptibility varies significantly.

  3. When using recreational dive tables for a deep dive, what is the definition of 'bottom time'?

    Answer: Total elapsed time from leaving the surface to beginning the final ascent

    Bottom time is measured from the moment you leave the surface to the moment you begin your final ascent, regardless of depth variations during the dive.

  4. A diver plans to reach a maximum depth of 130 feet. According to PADI guidelines, what is the recreational scuba depth limit this dive would approach?

    Answer: The recreational limit is 130 feet; this dive is at the absolute maximum

    PADI sets the recreational scuba diving limit at 130 feet (40 meters), and dives to this depth should only be made by properly trained, experienced divers.

  5. What is the function of a delayed surface marker buoy (DSMB) deployed during ascent from a deep dive?

    Answer: It alerts the surface crew to the diver's position and signals they are ascending

    A DSMB inflated and sent to the surface signals the boat crew where divers will surface, preventing boat strikes and aiding rescue if needed.

  6. During a deep dive briefing, the divemaster says 'stay within your personal limits.' What does this mean in practical terms?

    Answer: Do not exceed your training, experience, and comfort level for depth and conditions

    Personal limits means acknowledging your own training, physical condition, experience, and comfort level, and not pushing beyond them even if conditions permit.

  7. Which symptom would most strongly suggest a diver is suffering from decompression sickness (DCS) after a deep dive?

    Answer: Joint pain or 'bends' appearing within 24 hours of surfacing

    Joint pain ('the bends') appearing within 24 hours of surfacing is a hallmark symptom of Type I decompression sickness and requires immediate oxygen first aid and medical care.