Local Anesthesia Evaluator Practice Exam

Lidocaine HCL 2% epi 1:100,000

Red Gold Light blue Blue

Correct Answer:

Red

Explanation:

In dental anesthesia, cartridge color coding helps you identify the drug and the vasoconstrictor quickly. For lidocaine hydrochloride 2% with epinephrine 1:100,000, the typical color of the cartridge is red. This color cue is used to distinguish it from other anesthetics or epinephrine concentrations, which are represented by different colors. Remember, color coding can vary by manufacturer, so always check the label as well to confirm the exact drug and concentration before use.

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