On a radiograph, an amalgam fragment may appear as a(n)

A) radiolucency.
B) radiopacity.
C) bluish irregularity.
D) overhang.

B
Explanation: A) Amalgam that fractures during an extraction and falls into the root socket or under the gingival tissue may impart a bluish-purple color to the tissue, called an "amalgam tattoo." Because the amalgam is dense, it will appear radiopaque on the radiograph.
B) Amalgam that fractures during an extraction and falls into the root socket or under the gingival tissue may impart a bluish-purple color to the tissue, called an "amalgam tattoo." Because the amalgam is dense, it will appear radiopaque on the radiograph.
C) Amalgam that fractures during an extraction and falls into the root socket or under the gingival tissue may impart a bluish-purple color to the tissue, called an "amalgam tattoo." Because the amalgam is dense, it will appear radiopaque on the radiograph.
D) Amalgam that fractures during an extraction and falls into the root socket or under the gingival tissue may impart a bluish-purple color to the tissue, called an "amalgam tattoo." Because the amalgam is dense, it will appear radiopaque on the radiograph.