Which Is True When You Are Sympathetically Stimulated

question 113

Multiple Choice

Which is true when you are sympathetically stimulated?

• A) the SA node depolarizes more rapidly.
• B) the myocardium repolarizes more rapidly.
• C) more Ca²⁺ results in more sarcomere crossbridge attachments.
• D) norepinephrine is stimulating the heart.
• E) all of these answers.

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