Certified Hyperbaric Technologist Practice Test

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Equip yourself for the Certified Hyperbaric Technologist Test. Learn with flashcards and multiple-choice questions, each featuring hints and explanations. Ensure you're ready for your exam!

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True or False: DCS can only occur when the diver is at their deepest depth.

True
False
Only at shallow depths
Only during ascent

The correct answer is: False

Decompression sickness (DCS) is a condition that can occur not just at the deepest depth but can happen during various phases of a dive, including during ascent and even at shallower depths if a diver ascends too quickly or fails to follow proper decompression protocols. It results from the formation of nitrogen bubbles in the body due to changes in pressure, which can occur when a diver comes up from any depth without allowing sufficient time for the body to off-gas nitrogen. Thus, it is a misconception that DCS occurs solely at the deepest point of a dive. The risks associated with DCS are primarily related to the rate of ascent and the duration spent at varying depths, highlighting the importance of adhering to dive tables and safety stops. Therefore, the statement is false, as DCS can indeed occur under a variety of conditions during a dive, not limited to the deepest depth.