"a very hectic place" is an adjective phrase because it describes the emergency room which is the noun as hectic, which is an adjective.
The underlined words "a very hectic place" function as an appositive phrase that gives additional information about "the emergency room".
The underlined words "a very hectic place" in the sentence "The student nurse worked throughout the day in the emergency room, a very hectic place." act as an appositive phrase.
An appositive phrase is a noun or noun phrase that renames or further identifies the noun next to it, in this case, "the emergency room". It is not an adjective or adverb phrase because it provides additional information about the noun rather than describing or modifying the action of the sentence.
The underlined phrase "a very hectic place" is an appositive phrase that provides additional information about "the emergency room." It renames or further identifies the noun, which is a characteristic of appositives. This phrase is not an adjective or adverb phrase because it does not modify an action or state.
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