Renal System O1 Word Scramble
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Question | Answer |
Normal GFR | 180 L/day |
Oncotic pressure in the glomerulus rises faster in high or low flow? | Low |
As RBF increases, GFR | Increases |
Filtration fraction is higher at high or low flows? | Low flows |
Which factor dominates GFR changes in slight vasoconstriction? | Pgc |
Which factor dominates GFR changes in severe vasoconstriction? | Renal plasma flow |
Explain why the PTC's have a relatively high oncotic pressure | The fluid filtration out of the glomeruli leaves the proteins behind which increases the PCT oncotic pressure |
Explain why the PTCs have a relatively low hydrostatic pressure | The high resistance in the efferent arteriole means that the hydrostatic pressure downstream is lower than normal |
Autoregulation includes which two processes? | Myogenic response and Tubuloglomerular feeback |
The myogenic response responds to a stretch of smooth muscle with | An increase in constriction of the arteriolar smooth muscle |
Renal blood flow and GFR are help constant in which BP range | 80-180 mmHg |
If the macula densa senses too much NaCl in the distal tubule, a signal is sent to | the afferent arteriole to constrict (via adenisine) |
As blood pressure increases, afferent arteriolar resistance | Increases |
A low dose of Dopamine causes | Vasodilation |
Created by:
mcasto
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