If you are caught in cold water and there are no personnel available to rescue you, you should:
A) swim vigorously to the shore, as this action will increase the metabolic rate and produce heat.
B) keep your face above water, protect your head, and assume a position that minimizes body heat loss.
C) tread water, as this action will decrease heat loss 60% more effectively than any other position or action.
D) allow yourself to become moderately hypothermic, as hypothermia will decrease your body's demand for oxygen.
Answer: B) keep your face above water, protect your head, and assume a position that minimizes body heat loss.
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