Laurel_Holloway_Unit6Assignment_Lab.pdf

4 describe how adh secretion during water loading

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will reabsorb water, making you have more blood volume and lower osmolality. 4. Describe how ADH secretion during water loading changes urine production and osmolarity. ADH secretion during water loading allows for more water to be secreted and less is absorb however the osmolality becomes less concentrated or lower. 5. Describe how ADH secretion maintains plasma osmolarity levels during dehydration and water loading. ADH secretion maintains plasma osmolality with a balance in re-absorption and ADH is released when there is low plasma volume (dehydrated) and inhibited when there is high plasma volume water loading (the effect of plasma volume on ADH is not as great as plasma osmolality.) Laboratory Report/ Laurel Holloway/ Influence of Fluid Intake on Urine Formation/ Michael O'hara/ 08.22.2018/ Page [2] of [3]
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6. Explain why in this experiment you did not see significant changes in plasma osmolarity during dehydration or water loading. There was not significant changes in plasma osmolality because the concentration vs. dilute was only affected by water and no other foods or liquids. 7. Discuss why maintaining plasma osmolarity within normal limits is important. Maintaining plasma osmolality is important because it is a balance of electrolytes within the body. Without the balance they could be a problem with dehydration as well as problems with cell functions.
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  • Spring '18
  • water loading, plasma osmolarity

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