How Can a Scuba Diver Prevent Himself or Herself from Developing

question 38

Multiple Choice

How can a scuba diver prevent himself or herself from developing decompression sickness?

• A) by ascending rapidly to the sea surface
• B) by ascending slowly to the sea surface
• C) by using nitrogen-free compressed air for breathing underwater
• D) by using compressed gas with high oxygen concentration
• E) by ensuring adequate humidification of the compressed air he or she is breathing underwater

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Definitions:

Diverge

To move or extend in different directions from a common point; to branch off.

Photopupillary Reflex

The reflexive constriction of the pupil in response to bright light, which helps to protect the retina from potential damage by reducing the amount of light entering the eye.

Oculomotor

Relating to the eye's movements or the muscles and nerves controlling them, especially associated with the third cranial nerve.

Innervated

Supplied or stimulated by a nerve, or having nerves that provide sensation or movement.