Mixing of venous blood with arterial blood (a right-to-left shunt) occurs normally because of which of the following?
1) Congenital cardiac defects
2) Bronchial venous drainage
3) Thebesian venous drainage in the heart
A) 1, 2, and 3
B) 2 and 3 only
C) 1 only
D) 2 only
Correct Answer:
Verified
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