Author Question: Which of the following are not present prior to birth? A) Pulmonary arterial resistance is high. B) ... (Read 81 times)

ssal · **on:** Feb 28, 2019

Which of the following are not present prior to birth?
A) Pulmonary arterial resistance is high.
B) Pulmonary vessels are collapsed.
C) Rib cage is compressed.
D) Alveoli are expanded.
E) Lungs and airways contain only a small amount of fluid.

Question 2

When all three cone populations are stimulated equally, we perceive
A) red.
B) blue.
C) green.
D) white.
E) black.