Any diver who loses consciousness immediately following a dive should be assumed to have experienced:
A) barotrauma.
B) nitrogen narcosis.
C) an air embolism.
D) decompression sickness.
Answer: C) an air embolism.
You might also like to view...
Which plate does the westward-moving South American Plate encounter in South America??
A) ?Cocos plate B) ?Juan De Fuca plate C) ?Farallon plate D) ?Nazca plate
Which of the following is not true?
a. oxygen 16 evaporates more readily from the ocean than oxygen 18 b. oxygen 16 and oxygen 18 are found in roughly equal amounts in ocean water c. the nucleus of oxygen 18 contains two more neutrons than the nucleus of oxygen 16 d. both oxygen 16 and oxygen 18 are found in the shells of marine organisms
Exotic plants and animals are the most serious challenge to many of New Zealand's indigenous plant and animal species such as the moa birds that are now extinct
Indicate whether the statement is true or false
Which of the following is TRUE?
A) Northern Hemisphere temperatures are more strongly dominated by continentality than are Southern Hemisphere temperatures. B) The Northern and Southern hemispheres are dominated equally by continentality. C) Southern Hemisphere temperatures are more strongly dominated by continentality than are Northern Hemisphere temperatures. D) The Northern and Southern hemispheres are dominated equally by maritime influences.