Both the proximal convoluted tubule and the distal convoluted tubule reside in the cortex of the kidney
Indicate whether this statement is true or false.
TRUE
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The __________ sphincter is a thickened ring that regulates the passage of fluid between stomach and duodenum.
Fill in the blank(s) with the appropriate word(s).
Vasopressin
a. can completely halt urine production during periods of water deprivation to conserve water for the body. b. activates the cyclic AMP second-messenger system within the tubular cells. c. renders the distal and collecting tubules impermeable to water. d. increases Na+ reabsorption by the distal portions of the nephron. e. stimulates the active salt pump of the ascending limb of the loop of Henle to establish the medullary vertical osmotic gradient.
While playing lacrosse, Frank took a blow to the back of his neck. This caused swelling of the posterior spinal cord at C7 and T1. What tract lies in this area? What signs might you expect Frank to show while the swelling persists?
What will be an ideal response?
The rate of oxygen diffusion is affected by the pressure gradient of carbon dioxide.
Answer the following statement true (T) or false (F)