A 2-year-old presents 8 hours after ingesting iron tablets with an initial period of vomiting that has now resolved. The parents report the child appeared to improve about 2 hours ago. What does this apparent clinical improvement most likely represent?
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A
True resolution of iron toxicity requiring only observation
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B
Phase 1 GI effects resolving before systemic absorption peaks
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C
The latent phase of iron poisoning, preceding potential severe systemic toxicity
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D
Successful emesis clearing the ingested iron