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Your patient is a 73-year-old man who is sitting in a recliner, cyanotic, pulseless, and apneic. The patient's skin is cool and dry. The patient's wife last saw him an hour and a half ago. Which of the following should you do first?
Crystalline Lens
A transparent, biconvex structure in the eye that focuses light onto the retina, enabling clear vision.
Cloudiness
A term used to describe a lack of transparency in fluids, often resulting from particles suspended in it.
Retro-
A prefix meaning backwards, behind, or reversing, often used in terms like "retroactive" or "retrovirus."
Prefix
An affix placed before a word, base, or another prefix to modify a term's meaning, such as by making it a negation, an intensification, or a specification.
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