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Anatomy General 835a3ceb

The following statements are ture regarding the SA node except -

A
Is located at the right border of the ascending aorta
B
In contains specialized nodal cardiac muscle
C
It is supplied by the atrial branche of the right coronary artery
D
It initiates cardiac conduction
High-Yield Explanation
SA node is supplied mostly by right coronary artery and beats at a rate of 70-80/min. It is situated at upper end of crista terminalis in the right atrium.
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