Which of the Following Statements About Action Potentials in the Heart

question 12

Multiple Choice

Which of the following statements about action potentials in the heart is correct?

• A) The rising phase of the action potential in autorhythmic cells is due to a rapid Ca²⁺ influx.
• B) The rising phase of the action potential in contractile cells is due to a rapid Na⁺ influx.
• C) The plateau phase of the action potential in contractile cells is due to a slow Ca²⁺ influx.
• D) The rising phase of the action potential in autorhythmic cells is due to a rapid Ca²⁺ influx, and the rising phase of the action potential in contractile cells is due to a rapid Na⁺ influx
• E) all of these

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Definitions:

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Employees or individuals who expose unethical, illegal, or harmful practices within an organization to the public or to those in positions of authority.

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Mistakes made in the process of making choices, often due to incorrect information, poor analysis, or bias.

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The capacity for group pressure to damage the mental efficiency, reality testing, and moral judgment of decision-making groups.

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