Difference between revisions of "Essential Ion and Compound Balance and Homeostasis - Renal Flash Cards - Anatomy & Physiology"
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Revision as of 14:25, 22 August 2010
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Question | Answer | Link |
What the effects of varying sodium concentration within the body? |
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Why is sodium not regulated on the basis of plasma concentration? |
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What is "salt hunger"? | It's where an animal with low body salt concentrations actually craves salt | Link |
What are the three major sources of potassium? |
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By which three methods is potassium homeostasis managed? Which of these make up the chronic and which the acute response |
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Which two things control the acute response and how do they do it? |
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Which hormone is the main regulator of potassium?? | Aldosterone | Link |
In which two regions of the nephron is H+ secreted? |
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What role do buffers play with regard to excreting hydrogen ions? | 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. | Link |
In ruminants fed low nitrogen diets more urea is reabsorbed. Why? | It is transported to the rumen and converted to microbial protein | Link |