Which of These Statements Correctly Applies to the Cardiac Muscle

question 27

Multiple Choice

Which of these statements correctly applies to the cardiac muscle?

• A)It extracts oxygen and nutrients from the blood within its chambers.
• B)It receives its blood supply primarily during ventricular systole when blood is forced into the vessels supplying the heart.
• C) It receives its blood supply as the blood returning to the heart from the lung passes through the cardiac circulation before being pumped to the systemic circulation.
• D) It receives most of its blood supply during ventricular diastole by means of the coronary circulation.

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