The SA node is located in
A. Upper lateral wall of the left atrium
B. Lower lateral wall of the right atrium
C. Lower lateral wall of the left atrium
D. Upper lateral wall of the right atrium
Answer:D
The SA node is located in
A. Upper lateral wall of the left atrium B. Lower lateral wall of the right atrium C. Lower lateral wall of the left atrium D. Upper lateral wall of the right atrium