Ca21 stands for which term?

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Prepare for the Prehospital Emergency Pharmacology Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Ca21 stands for which term?

Explanation:
The symbol Ca with a 2+ charge denotes a charged calcium atom. Ca is the chemical symbol for calcium, and the superscript 2+ shows two positive charges, which defines the species as an ion. Put together, Ca2+ is the calcium ion. The other options don’t fit because they are distinct concepts: aspirin is a drug with a different chemical representation, left is a directional term, and liter is a unit of volume.

The symbol Ca with a 2+ charge denotes a charged calcium atom. Ca is the chemical symbol for calcium, and the superscript 2+ shows two positive charges, which defines the species as an ion. Put together, Ca2+ is the calcium ion. The other options don’t fit because they are distinct concepts: aspirin is a drug with a different chemical representation, left is a directional term, and liter is a unit of volume.

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