NAUI Instructor Assignment Questions With Complete Answers.
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Course
NAUI Scuba
Institution
NAUI Scuba
Henry's Law - Answer The amount of gas dissolved in a liquid is directly related to its partial pressure above the liquid.
Relationship of gas solubility and temperature - Answer Solubility of gas decreases with increasing temperature
(INVERSELY RELATED)
Inert gas loading in relation t...
NAUI Instructor Assignment Questions
With Complete Answers.
Henry's Law - Answer The amount of gas dissolved in a liquid is directly related to its partial pressure
above the liquid.
Relationship of gas solubility and temperature - Answer Solubility of gas decreases with increasing
temperature
(INVERSELY RELATED)
Inert gas loading in relation to body tissue - Answer Body tissue absorbs more inert gas as depth
increases
Benefit of Dive Computer compared to Dive Tables - Answer Gives the diver credit for shallow portions
of the dive
Cold or Strenuous dive planning rule - Answer Use the next greater dive TIME to determine letter group
Equilibrium as it relates to nitrogen in the body - Answer When the pressure of nitrogen is balanced
between air and your body
Haldane surfacing ratio - Answer Originally 2:1 - Updated with new research to 1.58:1
Tissue compartment half-time - Answer The time required for the compartment to absorb or eliminate
half of the pressure difference between what it started with and the ambient pressure
M-Value of tissue - Answer The maximum allowable nitrogen (inert gas) pressure in a specific tissue
NAUI recommendation for diving while pregnant - Answer Do not dive while pregnant
Tissue compartment - Answer Mathematical model consisting of multiple theoretical tissues and their
relative halftimes
Fast compartments - short halftimes
Slow compartments - long halftimes
Ascent rate at altitude - Answer Slower than at sea level
Extend dive times with gas by - Answer Decreased nitrogen and increased oxygen in breathing gas
RNT - Answer Residual Nitrogen Time
Tme already spent at the repetitive dive depth (dive tables)
Procedure for missed decompression stops - Answer Remain out of the water, rest, breathe 100%
oxygen, drink fluids, be monitored for signs of decompression illness, transported to a hyperbaric facility
if symptoms arise
SIT - Answer Surface Interval Time
Longer time at the surface allows for increased repeat dive times
Canadian Dive Tables published by the Defense and Civil Institute of Environmental Medicine (DCIEM) -
Answer Based on 20+ years of research pioneered by Kidd and Stubbs (1962)
Swiss Dive Tables - Answer Developed by A.A. Bühlmann at the University of Zurich - EXTENDED TO
INCLUDE ALTITUDE DIVING
If the time spent making a "precautionary stop" at 5 msw (15 fsw) causes your Total Dive Time to exceed
the Dive Time Limits, you should: - Answer Use the Maximum Dive Time as your Total Dive Time
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