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| </TR> | | </TR> |
| <TR> | | <TR> |
− | <TD>?</TD> | + | <TD>Which hormone is the main regulator of potassium??</TD> |
| <TD><FONT COLOR="#FFFFFF"> | | <TD><FONT COLOR="#FFFFFF"> |
− | </font></TD> | + | Aldosterone</font></TD> |
− | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD> | + | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Potassium and Aldosterone|Link]]</TD> |
| </TR> | | </TR> |
| <TR> | | <TR> |
− | <TD>?</TD> | + | <TD>In which two regions of the nephron is H<sup>+</sup> secreted?</TD> |
| <TD><FONT COLOR="#FFFFFF"> | | <TD><FONT COLOR="#FFFFFF"> |
− | </font></TD> | + | *Proximal tubule |
− | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD> | + | *Collecting duct</font></TD> |
| + | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Acid / Base|Link]]</TD> |
| </TR> | | </TR> |
| <TR> | | <TR> |
− | <TD>?</TD> | + | <TD>What role do buffers play with regard to excreting hydrogen ions?</TD> |
| <TD><FONT COLOR="#FFFFFF"> | | <TD><FONT COLOR="#FFFFFF"> |
− | </font></TD> | + | 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.</font></TD> |
− | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD> | + | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Buffers of H+ in Urine|Link]]</TD> |
| </TR> | | </TR> |
| <TR> | | <TR> |
− | <TD>?</TD> | + | <TD>In ruminants fed low nitrogen diets more urea is reabsorbed. Why?</TD> |
| <TD><FONT COLOR="#FFFFFF"> | | <TD><FONT COLOR="#FFFFFF"> |
− | </font></TD> | + | It is transported to the rumen and converted to microbial protein</font></TD> |
− | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#|Link]]</TD> | + | <TD>[[Essential Ion and Compound Balance and Homeostasis - Anatomy & Physiology#Urea and Foregut Fermenters|Link]]</TD> |
| </TR> | | </TR> |
| </table> | | </table> |