Difference between revisions of "Reabsorption and Secretion Along the Proximal Tubule - Renal Flash Cards - Anatomy & Physiology"

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|linkpage =The Nephron - Renal Flash Cards - Anatomy & Physiology
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|linktext =THE NEPHRON - RENAL FLASH CARDS
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|maplink = Urinary System (Content Map) - Anatomy & Physiology
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|pagetype =Anatomy
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<TD>The proximal tubule can be subdivided into two parts. What are these parts called?</TD>
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* Pars convoluter
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* Pars recta (straight part)</FONT></TD>
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<TD>[[Proximal Tubule - Anatomy & Physiology#Anatomy|Link]]</TD>
 
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Sodium</FONT></TD>
 
Sodium</FONT></TD>
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Epithelial Transport|Link]]</TD>
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<TD>[[Proximal Tubule - Anatomy & Physiology#Introduction to Reabsorption|Link]]</TD>
 
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Sodium/potassium ATPase</FONT></TD>
 
Sodium/potassium ATPase</FONT></TD>
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Introduction to Reabsorption|Link]]</TD>
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<TD>[[Proximal Tubule - Anatomy & Physiology#Introduction to Reabsorption|Link]]</TD>
 
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Water passively follows the reabsorbed sodium so the concentration remains fairly similar but the volume is reduced</FONT></TD>
 
Water passively follows the reabsorbed sodium so the concentration remains fairly similar but the volume is reduced</FONT></TD>
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Epithelial Transport|Link]]</TD>
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<TD>[[Proximal Tubule - Anatomy & Physiology#Epithelial Transport|Link]]</TD>
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<TD>When being reabsorbed alone how does sodium enter the epithelial cells?</TD>
 
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Via ion channels</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Sodium|Link]]</TD>
 
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<TD>Sodium is able to leave the intersitium and enter the blood because...?</TD>
 
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The blood has a low hydrostatic and high protein osmotic pressure</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Sodium|Link]]</TD>
 
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<TD>What is the main route of potassium reabsorption from the proximal tubule?</TD>
 
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paracellular</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Potassium|Link]]</TD>
 
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<TD>Potassium is cleared from the cell using a co-transporter with which other ion?</TD>
 
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Chlorine</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Potassium|Link]]</TD>
 
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<TD>How is glucose reabsorbed?</TD>
 
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Co-transported with sodium</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Glucose|Link]]</TD>
 
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<TD>The plasma concentration at which glucose can first be detected in the urine is called?</TD>
 
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The renal threshold for glucose</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Glucose|Link]]</TD>
 
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<TD>Define Splay?</TD>
 
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Between the renal threshold and T-Max the amount of glucose filtered and the amount of glucose in the urine is not linearly related. This is becuase some nephrons have a greater capacity for reabsorbtion than others and are not overcome as easily.</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#T Max and Splay|Link]]</TD>
 
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<TD>Define T Max?</TD>
 
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Is the point at which every nephron is running at full capacity of reabsorping glucose. After this point the glucose cocentration filtered and excreted increase linearly.</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#T Max and Splay|Link]]</TD>
 
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<TD>How is hydrogen excreted?</TD>
 
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Sodium/hydrogen antiporter</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Secretion of H+|Link]]</TD>
 
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<TD>Which enzyme is pivotal in the reuptake of bicarbonate?</TD>
 
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Carbonic anhydrase</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Reabsorption of HCO3-|Link]]</TD>
 
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<TD>How is protein reabsorbed?</TD>
 
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Endocytosis</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Protein|Link]]</TD>
 
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<TD>What is the name of the process by which many drugs are excreted into the proximal tubule?</TD>
 
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Primary Active Secretion</FONT></TD>
 
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<TD>[[Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology#Primary Active Secretion - Organic Acids and Bases|Link]]</TD>
 
 
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[[Category:Urine Production]][[Category:Urinary System Anatomy & Physiology Flashcards]]
 

Revision as of 11:36, 10 September 2008

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Question Answer Link
The proximal tubule can be subdivided into two parts. What are these parts called?

  • Pars convoluter
  • Pars recta (straight part)
 Link
To which ion is most transport in the proximal tubule linked?

Sodium		 Link
Which transporter found in the basolateral membrane is essential to maintain low intracellular sodium levels?

Sodium/potassium ATPase		 Link
Why does the concentration of the tubular fluid remain constant along the tubule despite the reabsorption of ions such as sodium?

Water passively follows the reabsorbed sodium so the concentration remains fairly similar but the volume is reduced		 Link
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