The portion of the nephron that empties into the collecting duct is the
A. glomerulus.
B. ascending loop of Henle.
C. distal convoluted tubule.
D. proximal convoluted tubule.
E. descending loop of Henle.
C
You might also like to view...
The ovary does not release a mature gamete. Instead, a(n) ________ is released.
A) oocyte B) oogonium C) primary oocyte D) secondary oocyte E) zygote
Which of the following statements concerning gap junctions is incorrect?
a. gap junctions are communicating junctions. b. at a gap junction, filaments of unknown composition extend between the plasma membranes of two closely adjacent but not touching cells, acting as "spot rivets" to anchor the cells together. c. gap junctions are formed by small connecting tunnels that link two adjacent cells and permit exchange of small water-soluble particles between the cells. d. gap junctions play an important role in transmission of electrical activity throughout an entire muscle mass. e. connexons are an important structural component of gap junctions.
The trachea splits into _______ main stem bronchi?
A. One B. Two C. Three D. Four
One reason that pregnant women's metabolic rates change is that the placenta secretes
A. prolactin, which lowers metabolic rate so that nutrients can be stored in milk. B. human chorionic thyrotropin, which stimulates the thyroid gland and raises metabolic rate. C. human chorionic somatomammotropin, which inhibits fatty acid metabolism and lowers metabolic rate. D. human placental lactogen, which stimulates glycolysis and raises metabolic rate. E. human chorionic gonadotropin, which stimulates metabolism of glucose and raises metabolic rate.