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Essential Ion and Compound Balance and Homeostasis - Renal Flash Cards - Anatomy & Physiology (view source)

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<TD>Which hormone is the main regulator of potassium??</TD>

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Aldosterone</TD>

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Potassium and Aldosterone|Link]]</TD>

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<TD>In which two regions of the nephron is H+ secreted?</TD>

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*Proximal tubule

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>

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*Collecting duct</TD>

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Acid / Base|Link]]</TD>

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<TD>What role do buffers play with regard to excreting hydrogen ions?</TD>

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Once all bicarbonate has been reabsorbed they combine with residual excess hydrogen allowing it to be excreted without the loss of bicarbonate and without making the urine very acidic.</TD>

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Buffers of H+ in Urine|Link]]</TD>

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<TD>In ruminants fed low nitrogen diets more urea is reabsorbed. Why?</TD>

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It is transported to the rumen and converted to microbial protein</TD>

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD>

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<TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Urea and Foregut Fermenters|Link]]</TD>

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