View source for Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Renal Flash Cards - Anatomy & Physiology

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'''Use the mouse to highlight the answers.  They are written in white'''

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<TD>'''Question'''</TD>
<TD>'''Answer'''</TD>
<TD>'''Link'''</TD>
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<TD>What are the two cells types of the distal tubule and what are their functions?</TD>
<TD><FONT  COLOR="#FFFFFF">
* Principal cells
** Absorb sodium
** Excrete potassium and hydrogen
** Site of action of Aldosterone
* Intercalated cells
** ATP driven proton secretion</font></TD>
<TD>[[Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Anatomy & Physiology#Distal Tubule|Link]]</TD>
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<TD>Where does the collecting duct develop from?</TD>
<TD><FONT  COLOR="#FFFFFF">
The branched ureteric bud</font></TD>
<TD>[[Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Anatomy & Physiology#Developmental|Link]]</TD>
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<TD>How is potassium excreted in the distal tubule?</TD>
<TD><FONT  COLOR="#FFFFFF">
Using the potassium/chloride symporter</font></TD>
<TD>[[Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Anatomy & Physiology#Potassium|Link]]</TD>
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<TR>
<TD>By which two methods is H<sup>+</sup> secreted?</TD>
<TD><FONT  COLOR="#FFFFFF">
*H<sup>+</sup> ATPase
*H<sup>+</sup>/K<sup>+</sup> ATPase antiporter
</font></TD>
<TD>[[Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Anatomy & Physiology#H+ and HCO3-|Link]]</TD>
</TR>
<TR>
<TD>Despite urea passively diffusing out of the collecting its concentration actually increases. Why?</TD>
<TD><FONT  COLOR="#FFFFFF">
Water follows the urea as it is absorbed</font></TD>
<TD>[[Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Anatomy & Physiology#Urea and Water Reabsorption|Link]]</TD>
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[[Category:Urinary System]]