In the presence of aldosterone, which nephron region reabsorbs the greatest fraction of the filtered Na+?
A. Distal convoluted tubule
B. Cortical collecting duct
C. Proximal tubule
D. Descending limb of the loop of Henle
E. Macula densa
Answer: C
You might also like to view...
Medication delivered into the skin is called ________.
A. intravascular B. intramuscular C. intradermal D. intraspinal
The portion of the transmembrane receptor that binds to hydrophilic messengers is termed the
A) Receptor-binding domain. B) Transmembrane domain. C) Ligand-binding domain. D) Intracellular domain.
Distributing arteries
A. transport blood from arterioles to capillaries. B. are strong, rigid vessels. C. do not contain smooth muscle in their walls. D. contain a lot of elastic tissue. E. contain a thick tunica media.
Which type of bone cells package calcium and phosphate ions?
A. osteochondral progenitor cell B. osteoclasts C. osteoblasts D. osteocytes