Indicate Which Ion Is Involved in Each Event Being Described

question 58

Multiple Choice

Indicate which ion is involved in each event being described by using the following answer code.
-Explosive increase in membrane permeability to _____ brings about the rapidly rising phase of the action potential in contractile cardiac cells.

• A)K⁺
• B)Na⁺
• C)Ca²⁺

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Definitions:

Vowel

A category of phonetic sounds produced without any significant constriction or blockage of airflow in the vocal tract.

Combining Forms

In language, particularly in medical terminology, morphemes that are combined with other words or morphemes to form new words.

Word Root

The base part of a word from which other words can be formed, often derived from Latin or Greek.

Combining Form

In language, a morpheme that combines with other morphemes to form a word, especially in the context of scientific and medical terminology.