Difference between revisions of "The Formation of the Filtrate by the Glomerular Apparatus - Renal Flash Cards - Anatomy & Physiology"

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<TD>'''Answer'''</TD>
 
<TD>'''Answer'''</TD>
 
<TD>'''Link'''</TD>
 
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<TD>Which of the arterioles of the glomerulus is narrower?</TD>
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<TD>
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<FONT  COLOR="#FFFFFF">The Efferent Arteriole is Narrower</FONT></TD>
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<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Glomerulus| Glomerulus]]</TD>
 
</TR>
 
</TR>
 
<TR>
 
<TR>
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* Glomerular Basement Membrane
 
* Glomerular Basement Membrane
 
* Podocytes</FONT></TD>
 
* Podocytes</FONT></TD>
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Glomerular Filtration| Link]]</TD>
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<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Function of the Renal Corpuscle| Function of the Renal Corpuscle]]</TD>
 
</TR>
 
</TR>
 
<TR>
 
<TR>
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Glomerular Basement Membrane
 
Glomerular Basement Membrane
 
</FONT></TD>
 
</FONT></TD>
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Glomerular Basement Membrane|Link]]</TD>
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<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Glomerular Basement Membrane| Function of the Renal Corpuscle]]</TD>
 
</TR>
 
</TR>
 
<TR>
 
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* Molecular configuration
 
* Molecular configuration
 
* Rigidity</FONT></TD>
 
* Rigidity</FONT></TD>
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Factors Which Determine Selective Filtration|Link]]</TD>
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<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Factors Which Determine Selective Filtration| Factors Which Determine Selective Filtration]]</TD>
 
</TR>
 
</TR>
 
<TR>
 
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<FONT  COLOR="#FFFFFF">
 
<FONT  COLOR="#FFFFFF">
 
Isotonic</FONT></TD>
 
Isotonic</FONT></TD>
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Composition of Filtrate|Link]]</TD>
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<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Composition of Filtrate| Composition of Filtrate]]</TD>
</TR>
 
<TR>
 
<TD>Define Glomerular Filtration Rate.</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">The glomerular filtration or GFR is the amount of fluid filtered from the capillaries into the Bowmans capsule per unit time.</FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Glomerular Filtration Rate|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>By which formula can GFR be expressed?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">GFR = K<sub>f</sub> x net filtration pressure</FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Glomerular Filtration Rate|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>What determines renal blood flow and capillary hydrostatic pressure?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">Arterial blood pressure coupled with the contraction of both the afferent and efferent arterioles</FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Regulation of Renal Blood Flow and Capillary Hydrostatic Pressure|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>Why is it important that the constriction of the afferent and efferant arterioles changes with blood pressure?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">To maintain renal blood flow</FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Regulation of Renal Blood Flow and Capillary Hydrostatic Pressure|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>What effect does contracting the afferant arteriole have on filtration pressure?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">Reduces filtration pressure</FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Constriction of the Afferent and Efferent Arterioles|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>What are the two mechanisms for pressure autoregulation?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">
 
* The Myogenic Response
 
* Tubuloglomerular Feedback</FONT></TD>
 
<TD>[[Glomerular Filtration Rate#Autoregulation|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>Which mechanism works by responding to increased stretch in the arterioles by constricting them to a smaller diameter?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">The Myogenic Response</FONT></TD>
 
<TD>[[Glomerular Filtration Rate#Autoregulation|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>Which structure in the wall of the distal tubule detects an increase in NaCl when blood pressure increases?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">The Macula Densa</FONT></TD>
 
<TD>[[Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Anatomy & Physiology#Juxtaglomerular Apparatus|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>What is the effect of increased sympathetic activity on the kidneys?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">
 
* Reduced renal blood flow
 
* Small decrease in excreted waste
 
* Increased conservation of water and sodium</FONT></TD>
 
<TD>[[Glomerular Filtration Rate#Sympathetic Nervous System|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>What is Renal Clearance?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">
 
Renal clearance is the ability of the kidney to remove a compound from the blood</FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Renal Clearance|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>What other methods of clearance from the body apart from renal are there?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">
 
* Biliary
 
* Pulmonary
 
* Salivary </FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Renal Clearance|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>For the renal clearance of a substance to represent the GFR which two things must not happen to it as it moves along the nephron?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">
 
It must not be reabsorbed or further secreted </FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Renal Clearance and GFR|Link]]</TD>
 
</TR>
 
<TR>
 
<TD>Name three compounds which can be used to measure GFR from Renal clearance.</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">
 
* Inulin
 
* Creatinine
 
* Urea</FONT></TD>
 
<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Determination of GFR from Renal Clearance|Link]]</TD>
 
 
</TR>
 
</TR>
 
</table>
 
</table>
 
 
[[Category:Urine Production]][[Category:Urinary System Anatomy & Physiology Flashcards]]
 

Revision as of 11:28, 10 September 2008

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Question Answer Link
Which of the arterioles of the glomerulus is narrower? The Efferent Arteriole is Narrower Glomerulus
What are the three layers of glomerular filtration barrier?

  • Fenestrated Capillary Endothelium
  • Glomerular Basement Membrane
  • Podocytes
Function of the Renal Corpuscle
Which of the three layers is the major barrier to protein?

Glomerular Basement Membrane

Function of the Renal Corpuscle
Which Factors Determine Selective Filtration?

  • Hydrostatic pressure
  • Molecular size
  • Electrical charge
  • Protein binding
  • Molecular configuration
  • Rigidity
Factors Which Determine Selective Filtration
Substances which are filtered at the same levels as plasma are described at being filtered at what level?

Isotonic
Composition of Filtrate