During Contraction of Heart Muscle Cells ________

question 41

Multiple Choice

During contraction of heart muscle cells ________.

• A) the action potential is initiated by voltage-gated slow calcium channels
• B) some calcium enters the cell from the extracellular space and triggers the release of larger amounts of calcium from intracellular stores
• C) the action potential is prevented from spreading from cell to cell by gap junctions
• D) calcium is prevented from entering cardiac fibers that have been stimulated

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Definitions:

Undifferentiated Targeting

A marketing strategy where a company targets the market as a whole rather than focusing on specific segments.

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