Phlebotomy Technician Practice Exam (NCPT/CPT)

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What is the correct spelling for EDTA?

Ethylene-diamine-tetra-acetate
Ethylene-diamino-tetra-acetic
Ethyline-diamine-tetra-acetate
Ethylene-diamine-tetracetate

The correct answer is: Ethylene-diamine-tetra-acetate

EDTA (ethylene-diamine-tetra-acetate) is a chelating agent commonly used in laboratory settings and in medicine. The correct spelling is important because small variations in the spelling can affect the molecule's properties and therefore, its usefulness in different applications. Option B is incorrect because it is missing the "tetra" before "acetic." Option C is incorrect because it misspells "ethylene" as "ethyline." Option D is incorrect because it combines "ethylene" and "acetate" into one word, changing the molecule's structure. It is important to use the correct spelling to ensure accurate results and safe use of EDTA.