What is unique regarding the blood supply to the lung?
a. It receives blood from right and left ven-tricles.
b. It requires no dedicated blood supply as it exists in a gas environment.
c. Pulmonary venous drainage contributes to the normal anatomic shunt.
d. The pulmonary arteries are the primary source of O2 for lung structures.
ANS: A
The respiratory system is a unique organ in that it receives a double blood supply: one from the left ventricle and one from the right ventricle.
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Answer the following statement true (T) or false (F)
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