Which Is a True Statement About the Affect of the Frank-Starling

question 5

Multiple Choice

Which is a true statement about the affect of the Frank-Starling law on the heart?

• A) Increased diastolic stretching of myocardial fibers produces increased stroke volume.
• B) Sympathetic activation leads to increased myocardial contractility and heart rate.
• C) An increase in heart chamber diameter increases myocardial wall tension.
• D) An increase in coronary artery diameter results in less rapid coronary blood flow.

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