What does EDTA stand for?

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Multiple Choice

What does EDTA stand for?

Explanation:
EDTA is Ethylene Diamine Tetraacetic Acid. The “tetra” indicates four acetic acid groups attached to the ethylene diamine core, giving EDTA strong chelating ability to bind calcium ions and prevent blood from clotting. This is why EDTA is used in lavender-top tubes for hematology tests like CBCs. The other options mix up the number of acetic groups or confuse Ethylene with Ethyl, so they don’t match the actual chemical name.

EDTA is Ethylene Diamine Tetraacetic Acid. The “tetra” indicates four acetic acid groups attached to the ethylene diamine core, giving EDTA strong chelating ability to bind calcium ions and prevent blood from clotting. This is why EDTA is used in lavender-top tubes for hematology tests like CBCs. The other options mix up the number of acetic groups or confuse Ethylene with Ethyl, so they don’t match the actual chemical name.

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