Norepinephrine and Epinephrine Open ____ Channels Inducing a Faster Diastolic

question 43

Multiple Choice

Norepinephrine and epinephrine open ____ channels inducing a faster diastolic depolarization.

• A)voltage-gated Ca²⁺
• B)fast Ca²⁺
• C)HCN
• D)fast Na⁺

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