Reabsorption of filtered glucose from the lumen in the PCT is largely by means of
A) diffusion.
B) facilitated diffusion.
C) active transport.
D) cotransport.
E) countertransport.
Question 2
The atrioventricular valves permit blood flow
A) in one direction only.
B) in both directions.
C) in many directions.
D) in opposite directions on the right and left.
E) from a ventricle to an atrium.