Sympathetic Stimulation Increases the Heart Rate by

question 122

Multiple Choice

Sympathetic stimulation increases the heart rate by

• A) just increasing ion influx, thus increasing the rate of depolarization.
• B) just increasing the permeability to Ca²⁺.
• C) just increasing the permeability to K⁺.
• D) just decreasing the permeability to Ca²⁺.
• E) increasing the permeability to K⁺ and decreasing the permeability to Ca²⁺.

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