The Cells of the SA Node Are Unable to Maintain

question 52

Multiple Choice

The cells of the SA node are unable to maintain a stable resting membrane potential.They are particularly leaky to ions like sodium and potassium.What will this leakiness lead to?

• A)the release of neurotransmitters, which will start a contraction
• B)the formation of the resting membrane potential
• C)the secretion of calcium from storage within the cell to the exterior of the cell
• D)the spontaneous formation of an action potential

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Definitions:

Iterative Process

A method of achieving a desired outcome through repeated rounds of analysis or operations.

Loose Coalition

A temporary and informal alliance among various groups or individuals, often with less structure and organization than a formal coalition.

Reputations

The collective opinions, perceptions, or beliefs held about an individual's or entity's character, quality, or achievements, affecting their social or professional standing.

BATNA

Best Alternative to a Negotiated Agreement; the most advantageous alternative course of action a party can take if negotiations fail and an agreement cannot be reached.