NAUI Instructor QUESTIONS &
ANSWERS(RATED A)
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
Haldane tissue compartments - ANSWER Haldane - 5 compartments
Modern Computers - Apx. 16 compartments
Haldane Tissue Half-Times (Compartments) - ANSWER 5, 10, 20, 40, 75 Mins
High altitude dive - ANSWER Any dive at greater than 1000 feet
Ideal hyperbaric chamber for dive injury - ANSWER Multiplace, double-lock chamber rated for service to
six atmospheres
Repetitive Dive - ANSWER Any dive started within 24 hours after a previous dive
NAUI recommended minimum SIT time - ANSWER 60 mins
Dives shallower than 40 ft are considered how deep on NAUI Dive Tables - ANSWER 40 ft
How long after diving should you wait to fly - ANSWER 24 hrs
Can NAUI Dive Tables be applied for decompression of an altitude dive? - ANSWER No
Who created the RGBM Tables - ANSWER Bruce R. Wienke
Repetitive Dives must be - ANSWER Shallower than the previous dive
Minimun SIT for RGBM tables - ANSWER One hour
ANSWERS(RATED A)
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
Haldane tissue compartments - ANSWER Haldane - 5 compartments
Modern Computers - Apx. 16 compartments
Haldane Tissue Half-Times (Compartments) - ANSWER 5, 10, 20, 40, 75 Mins
High altitude dive - ANSWER Any dive at greater than 1000 feet
Ideal hyperbaric chamber for dive injury - ANSWER Multiplace, double-lock chamber rated for service to
six atmospheres
Repetitive Dive - ANSWER Any dive started within 24 hours after a previous dive
NAUI recommended minimum SIT time - ANSWER 60 mins
Dives shallower than 40 ft are considered how deep on NAUI Dive Tables - ANSWER 40 ft
How long after diving should you wait to fly - ANSWER 24 hrs
Can NAUI Dive Tables be applied for decompression of an altitude dive? - ANSWER No
Who created the RGBM Tables - ANSWER Bruce R. Wienke
Repetitive Dives must be - ANSWER Shallower than the previous dive
Minimun SIT for RGBM tables - ANSWER One hour
