PADI Open Water Chapter 2 Review Final Exam 2024.

PADI Open Water Chapter 2 Review Final Exam 2024. How does looking at something underwater affect its apparent size - correct answer Things look larger and/or closer, depending on your perspective How does water affect light intensity and color - correct answer water absorbs colors one by one as light travels down through water - red first, then orange and yellow How does being underwater affect hearing - correct answer Sound travels further in water than in air and travels 4 times faster in water making it hard to tell where a sound comes from How does the rate of body heat loss in water compare to the rate of body heat loss in air - correct answer water conducts heat 20 times faster than air What should you do if you begin to shiver underwater - correct answer get out of the water immediately, dry off and seek warmth How should you move underwater to compensate for the increased resistance to water - correct answer Slowly and steady. Avoid fast jerky movements. How do you breath underwater for maximum efficiency - correct answer slowly and deeply What are the symptoms of diving overexertion - correct answer fatigue, labored breathing, a feeling of suffocation, weakness, anxiety, headache, muscle cramping or a tendency to panic How do you prevent diving overexertion - correct answer move slowly and avoid prolonged exertion, pace yourself and know your limits What should ou do if you become overexerted while diving - either at the surface or underwater - correct answer Surface - establish buoyancy and stop moving