Which Statements Are True Regarding Cardiac Contractility

question 8

Multiple Choice

Which statements are true regarding cardiac contractility?

• A) Cardiac contractility is the ability of the myocardium to stretch and contract.
• B) The muscle filaments may be unable to change the force of contraction.
• C) The stroke volume decreases as the preload increases.
• D) The contractibility can also be influenced by preload.
• E) The heart's workload increases as afterload increases.

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