Which of the following statements about pulmonary blood flow is most accurate?
A. During systole, the pressure in the pulmonary artery is essentially equal to the pressure in the right ventricle.
B. Blood flow through the lungs is significantly lower compared to cardiac output
C. the value of the mean pulmonary arterial pressure is about 25 mmHg
D. when the concentration of oxygen in the alveoli decreases below normal the adjacent blood vessels dilate
E. none of the answers
Preview next quiz:
(1) is the volume of blood contained by the ventricles at the end of an atrial contraction. And the volume of blood remaining in the ventricle when the aortic and pulmonary trunk valves close at the end of ventricular systole is known as the (2)
A. (1) end diastolic volume; (2) end systolic volume
B. (1) end diastolic volume; (2) stroke volume
C. (1) end systolic volume; (2) end diastolic volume
D. (1) stroke volume; (2) end diastolic volume