The external environment is found outside cells but inside the body
Indicate whether the statement is true or false
F
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When the pH of the extracellular fluid drops, the kidneys
A) excrete more hydrogen ions. B) excrete more bicarbonate ions. C) excrete fewer bicarbonate ions. D) secrete more hydrogen ions and more bicarbonate ions. E) secrete more hydrogen ions and fewer bicarbonate ions.
The ________ are the long peritubular capillaries that dip into the medulla.
Fill in the blank(s) with the appropriate word(s).
Where are intercalated cells found and what do they do?
A. Distal convoluted tubules; reabsorption of sodium B. Collecting duct; reabsorption of sodium C. Distal convoluted tubule; secretion of hydrogen or bicarbonate ions D. Collecting duct; secretion of hydrogen or bicarbonate ions E. Nephron loop; reabsorption of sodium
Which condition occurs when urine is produced but cannot be removed from the bladder?
a. retention b. suppression c. incontinence d. polyuria