Labs and diagnostics
Mg²⁺
magnesium
An electrolyte involved in enzyme function, muscle and nerve activity.
How it gets tested
Watch the abbreviation collision — Mg is the element, mg is the milligram, and MgSO₄ is on the Do Not Use list.
Related terms
Sitting the TEAS or the HESI A2? Find out what you actually know.
Free practice questions for every section of both exams, with an explanation after each answer. No account, no paywall.
Back to the full abbreviation list
Not affiliated with, endorsed by, or authorized by ATI (Assessment Technologies Institute), Elsevier, or any nursing program. TEAS® and HESI® are trademarks of their respective owners. Practice questions here are original study material, not the official exams.