The nurse suspects that a child has ingested some type of poison. Which clinical manifestation would be most suggestive that the poison was a corrosive product?
a. Tinnitus
b. Disorientation
c. Stupor, lethargy, coma
d. Edema of lips, tongue, pharynx
ANS: D
Edema of lips, tongue, and pharynx indicates a corrosive ingestion. Tinnitus is indicative of aspirin ingestion. Corrosives do not act on the central nervous system (CNS).
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