Questions tagged [renal-physiology]

The branch of physiology that deals with the kidneys, and their role in reabsorption, filtration, acid-base and electrolyte balance.

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Vasoconstriction and blood flow

The resistance in a blood vessel is equal to the pressure difference divided by the blood flow. Let us now say that a sympathomimetic causes vasoconstriction which increases the resistance. Does this ...
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Will renal blood flow decrease in response to dehydration?

If dehydrated, does the correction of ECF osmolarity happen slowly enough for ECF (and therefore plasma) volume to be temporarily depleted and therefore reduce renal blood flow? If dehydration is ...
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Why does glomerular filtration result in a filtrate with the same osmolality as plasma?

Unlike the plasma, the ultrafiltrate has no proteins which are prevented from filtering out. Shouldn't the loss of these proteins result in a loss of oncotic pressure and thus a different overall ...
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Why is glomerular filtration called a non selective process?

According to Biology NCERT Class 11, Page 299, "Filtration is a non-selective process performed by the glomerulus using the glomerular capillary blood pressure." But the glomerulus filters out blood ...
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Microalbuminuria in inflammation of urinary tract

Albumin is excreted into urine (albuminuria) in nephrotic syndrome and in certain inflammatory conditions of urinary tract.$^1$ How is inflammation in urinary tract related to increase in albumin ...
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peritoneal dialysis Vs Hemodialysis?

Their are basically two types of dialysis: 1.peritoneal dialysis 2.hemodialysis, My Question is Why the peritoneal dialysis needs to be carried out on everyday BUT hemodialysis is carried out on only ...