The sino-atrial node is situated:

Question

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around the lower superior vena cava

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on the right of the opening of the inferior vena cava

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within the interatrial septum

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at the opening of the coronary sinus

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just above the crista terminalis

1.	The sino-atrial node is situated:
A.	on the right of the opening of the inferior vena cava
B.	within the interatrial septum
C.	at the opening of the coronary sinus
D.	just above the crista terminalis
E.	around the lower superior vena cava
Answer» E. around the lower superior vena cava

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