Which of the Following Is True Concerning Mercury Safety Procedures

question 14

Multiple Choice

Which of the following is true concerning mercury safety procedures in the dental office?

• A) The elemental mercury used in amalgam is more toxic than organic mercury.
• B) Studies have shown mercury levels in most dental offices to be far below OSHA's recommended minimum.
• C) Dental offices contribute an insignificant amount of mercury to the environment.
• D) A "mercury-free" amalgam is available for use in the United States.

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Definitions:

C-H Bonds

A chemical bond formed between a carbon atom and a hydrogen atom, prevalent in organic molecules and important for the structure of hydrocarbons.

ΔS°

Standard entropy change, representing the change in entropy in a system when one mole of a compound is formed under standard conditions (298 K, 1 atm).

Hydrogenation

A chemical reaction where hydrogen is added to organic compounds, often requiring a catalyst.

Acetylene

A colorless and highly flammable gas with a triple bond between its two carbon atoms, used as a fuel and in chemical synthesis.