Which is an incorrect statement?

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Question

(B) The correct answer is $B$. Statement $A$ is correct: Semilunar valves are located at the base of the aorta and pulmonary artery to prevent backflo

Vedclass · Accepted Answer

Bicuspid and tricuspid valves are connected by chordae tendineae to the wall of the artery.

Vedclass · Answer

(B) The correct answer is $B$. Statement $A$ is correct: Semilunar valves are located at the base of the aorta and pulmonary artery to prevent backflow of blood into the ventricles. Statement $B$ is incorrect: Bicuspid (mitral) and tricuspid valves are connected by chordae tendineae to the papillary muscles of the ventricular wall,not to the wall of the artery. Statement $C$ is correct: The sinoatrial $(SA)$ node is situated in the upper right corner of the right atrium. Statement $D$ is correct: The atrioventricular node $(AVN)$ is located in the lower left corner of the right atrium,close to the atrioventricular septum.

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