The absorption of glucose from the gut into intestinal mucosal cells is coupled to Na + , K + -ATPase. In contrast, the movement of glucose from the intestinal epithelial cells into the submucosal bloodstream occurs through passive transport. Given these facts, which of the following statements can be true at one time or another?
A.
Cytosolic levels of glucose in intestinal mucosal cells are regulated by levels of glucose in skeletal muscle cells
B.
Free glucose levels in the lumen of the intestine can never be higher than levels in intestinal cells
C.
Plasma glucose levels are much higher than intestinal cell cytosolic levels of glucose
D.
Levels of glucose in the intestinal lumen are always higher than those in the cytosol of intestinal epithelial cells
E.
Levels of plasma glucose are approximately equal to levels in the cytosol of intestinal epithelial cells