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

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'''Use the mouse to highlight the answers.  They are written in white.'''
|backcolour = C1F0F6
 
|linkpage =The Nephron - Renal Flash Cards - Anatomy & Physiology
 
|linktext =THE NEPHRON - RENAL FLASH CARDS
 
|maplink = Urinary System (Content Map) - Anatomy & Physiology
 
|pagetype =Anatomy
 
}}
 
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'''Use the mouse to highlight the answers.  They are written in white'''
 
  
  
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<TD>'''Answer'''</TD>
 
<TD>'''Answer'''</TD>
 
<TD>'''Link'''</TD>
 
<TD>'''Link'''</TD>
</TR>
 
<TR>
 
<TD>Which of the arterioles of the glomerulus is narrower?</TD>
 
<TD>
 
<FONT  COLOR="#FFFFFF">The Efferent Arteriole is Narrower</FONT></TD>
 
<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Glomerulus| Glomerulus]]</TD>
 
 
</TR>
 
</TR>
 
<TR>
 
<TR>
 
<TD>What are the three layers of glomerular filtration barrier?</TD>
 
<TD>What are the three layers of glomerular filtration barrier?</TD>
 
<TD>
 
<TD>
<FONT  COLOR="#FFFFFF">* Fenestrated Capillary Endothelium
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<FONT  COLOR="#FFFFFF">
 +
* Fenestrated Capillary Endothelium
 
* Glomerular Basement Membrane
 
* Glomerular Basement Membrane
 
* Podocytes</FONT></TD>
 
* Podocytes</FONT></TD>
<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Function of the Renal Corpuscle| Function of the Renal Corpuscle]]</TD>
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<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Glomerular Filtration| Link]]</TD>
 
</TR>
 
</TR>
 
<TR>
 
<TR>
 
<TD>Which of the three layers is the major barrier to protein?</TD>
 
<TD>Which of the three layers is the major barrier to protein?</TD>
 
<TD>
 
<TD>
<FONT  COLOR="#FFFFFF">* Fenestrated Capillary Endothelium
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<FONT  COLOR="#FFFFFF">
* Glomerular Basement Membrane
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Glomerular Basement Membrane
* Podocytes</FONT></TD>
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</FONT></TD>
<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Glomerular Basement Membrane| Function of the Renal Corpuscle]]</TD>
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<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Glomerular Basement Membrane|Link]]</TD>
 
</TR>
 
</TR>
 
<TR>
 
<TR>
<TD>Which Factors Determine Selective Filtration</TD>
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<TD>Which Factors Determine Selective Filtration?</TD>
 
<TD>
 
<TD>
<FONT  COLOR="#FFFFFF">* Hydrostatic pressure  
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<FONT  COLOR="#FFFFFF">
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* Hydrostatic pressure  
 
* Molecular size
 
* Molecular size
 
* Electrical charge
 
* Electrical charge
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* Molecular configuration
 
* Molecular configuration
 
* Rigidity</FONT></TD>
 
* Rigidity</FONT></TD>
<TD>[[Glomerulus and Bowmans Capsule - Anatomy & Physiology #Glomerular Basement Membrane| Function of the Renal Corpuscle]]</TD>
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<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Factors Which Determine Selective Filtration|Link]]</TD>
 
</TR>
 
</TR>
 +
<TR>
 +
<TD>Substances which are filtered at the same levels as plasma are described at being filtered at what level?</TD>
 +
<TD>
 +
<FONT  COLOR="#FFFFFF">
 +
Isotonic</FONT></TD>
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<TD>[[Glomerular Apparatus and Filtration - Anatomy & Physiology#Composition of Filtrate|Link]]</TD>
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</TR>
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<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>
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<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>
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<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>
 +
</table>
 +
 +
 +
[[Category:Urine Production]][[Category:Urinary System Anatomy & Physiology Flashcards]]

Latest revision as of 17:22, 21 June 2011

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


Question Answer Link
What are the three layers of glomerular filtration barrier?

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

Glomerular Basement Membrane

Link
Which Factors Determine Selective Filtration?

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

Isotonic
Link
Define Glomerular Filtration Rate. The glomerular filtration or GFR is the amount of fluid filtered from the capillaries into the Bowmans capsule per unit time. Link
By which formula can GFR be expressed? GFR = Kf x net filtration pressure Link
What determines renal blood flow and capillary hydrostatic pressure? Arterial blood pressure coupled with the contraction of both the afferent and efferent arterioles Link
Why is it important that the constriction of the afferent and efferant arterioles changes with blood pressure? To maintain renal blood flow Link
What effect does contracting the afferant arteriole have on filtration pressure? Reduces filtration pressure Link
What are the two mechanisms for pressure autoregulation?

  • The Myogenic Response
  • Tubuloglomerular Feedback
Link
Which mechanism works by responding to increased stretch in the arterioles by constricting them to a smaller diameter? The Myogenic Response Link
Which structure in the wall of the distal tubule detects an increase in NaCl when blood pressure increases? The Macula Densa Link
What is the effect of increased sympathetic activity on the kidneys?

  • Reduced renal blood flow
  • Small decrease in excreted waste
  • Increased conservation of water and sodium
Link
What is Renal Clearance?

Renal clearance is the ability of the kidney to remove a compound from the blood
Link
What other methods of clearance from the body apart from renal are there?

  • Biliary
  • Pulmonary
  • Salivary
Link
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?

It must not be reabsorbed or further secreted
Link
Name three compounds which can be used to measure GFR from Renal clearance.

  • Inulin
  • Creatinine
  • Urea
Link