Starting from the collecting duct, indicate the order in which urea molecules move to maintain the medullary concentration gradient. (1) ascending limb
(2) distal convoluted tubule
(3) interstitial fluid
(4) collecting duct
(5) descending limb
A. 2, 5, 1, 4, 3
B. 1, 3, 5, 2, 4
C. 3, 5, 1, 2, 4
D. 4, 2, 1, 3, 5
E. 4, 3, 5, 1, 2
E
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Sympathetic and parasympathetic activity at the salivary glands is antagonistic
Indicate whether the statement is true or false
If the sodium-potassium pumps in the plasma membrane fail to function, all of the following occur except that the
A) intracellular concentration of potassium ions will increase. B) neuron will slowly depolarize. C) membrane will slowly lose its capacity to generate action potentials. D) inside of the membrane will have a resting potential that is more positive than normal. E) intracellular concentration of sodium ions will increase.
The liver gets bilirubin from the
A. stomach B. gallbladder C. spleen D. small intestines
Match the artery with the appropriate description.A. Supplies blood to the diaphragmB. Supplies blood to the esophagusC. Supplies blood to the thoracic wallD. Supplies blood to the pancreas and small intestineE. Supplies blood to the stomach, liver, and spleenThoracic visceral artery
Fill in the blank(s) with the appropriate word(s).