Thin Strands of Fibrous Connective Tissue Extend from the Atrioventricular

question 31

Multiple Choice

Thin strands of fibrous connective tissue extend from the atrioventricular (AV) valves to the papillary muscles and prevent the AV valves from bulging back into the atria during ventricular systole. These strands are called _____.

• A) cardiac cilia
• B) Purkinje fibers
• C) papillary muscles
• D) chordae tendineae

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