The respiratory membrane consists of
A) two thicknesses of epithelial cells and basement membranes.
B) two thicknesses of epithelial cells.
C) a single thickness of epithelial cells.
D) a single thickness of epithelial cells and a basement membrane.
A
You might also like to view...
Insulin is necessary for the satiety center to detect the presence of glucose in extracellular fluid. When insulin levels are low
A. the person is intensely hungry. B. the person is thirsty. C. the person is sleepy. D. the person feels "full" or satisfied. E. there is no effect on hunger or satiety feelings.
Oversecretion of aldosterone causes
A. decreased reabsorption of Na+ by the kidney. B. increased reabsorption of phosphate ions by the kidney. C. increased secretion of K+ by the kidney. D. decreased secretion of Ca2+ by the kidney. E. decreased secretion of K+ by the kidney.
You are asked to demonstrate plantar flexion. To do this, you must move your ________
A) ankle B) wrist C) knee D) elbow
The condition characterized by overproduction of erythrocytes is called ________.
A. thalassemia B. anemia C. leukemia D. erythrocytosis E. hemophilia