AAA Driver Improvement Practice Exam

Which structure attaches the atrioventricular valves to the papillary muscles, preventing the valves from everting into the atria?

Trabeculae carneae Pectinate muscles Chordae tendineae Ligamentum arteriosum

Chordae tendineae

Chordae tendineae are the 'heart strings' that anchor the AV valves to the papillary muscles to prevent prolapse during ventricular contraction.

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