Which of the following is a Type 1 sign of Decompression Sickness?

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Multiple Choice

Which of the following is a Type 1 sign of Decompression Sickness?

Explanation:
Type I signs are the mild, surface-level symptoms of decompression sickness, focusing on skin, lymphatic, and joint involvement. Marbling of the skin, known as cutis marmorata, is a classic Type I sign because it reflects cutaneous vascular changes caused by gas bubbles forming under the skin. This distinguishes it from signs that involve deeper systems. Coughing points to the lungs and is considered a Type II sign, involving pulmonary symptoms. Hearing loss involves the inner ear or central nervous system, also a Type II manifestation. Nausea can occur with DCS but isn’t a defining Type I sign. So the presence of skin marbling best represents a Type I sign.

Type I signs are the mild, surface-level symptoms of decompression sickness, focusing on skin, lymphatic, and joint involvement. Marbling of the skin, known as cutis marmorata, is a classic Type I sign because it reflects cutaneous vascular changes caused by gas bubbles forming under the skin. This distinguishes it from signs that involve deeper systems. Coughing points to the lungs and is considered a Type II sign, involving pulmonary symptoms. Hearing loss involves the inner ear or central nervous system, also a Type II manifestation. Nausea can occur with DCS but isn’t a defining Type I sign. So the presence of skin marbling best represents a Type I sign.

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