Comp_Genius
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#1
Report Thread starter 13 years ago
#1
Tissue oedema could result from:

A. a fall in capillary hydrostatic pressure.
B. a fall in interstitial hydrostatic pressure.
C. a fall in arteriolar resistance.
D. either 2 or 3.
E. none of the above.

What do you guys think? I got D.
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idiopathic
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#2
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A fall in interstitial fluid pressure definitely promotes filtration from capillaries (which also eliminates the possibility of option E)

A fall in arteriolar resistance reduces arteriolar pressure which decreases filtration, isn't it?

So I'll go with B).
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Comp_Genius
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#3
Report Thread starter 13 years ago
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Yeah I had B, but the answer was apparently C; maybe an error as a few have occured.

Although arterioles can refer to the arterioles that come immediately before the capillary. Reduced resistance, increased flow, increased hydrostatic pressure?

That's why I hate cardiovascular, anything can make logical sense.
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gyrase
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#4
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Surely this kind of stuff is easy?
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idiopathic
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#5
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Having looked through my notes I think you are right...

I've got that constricting arterioles increases the resistance and downstream blood (capillaries) loose pressure
so vice versa.
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