1. Which of the following statements about aldosterone isNOT correct? Aldosterone is stimulated by decreased plasma sodium...
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1. Which of the following statements about aldosterone isNOT correct?
Aldosterone is stimulated by decreased plasma sodium levels andincreased plasma potassium levels. |
Aldosterone increases the number of passive sodium channels inthe luminal membrane of the distal tubule and collecting duct, thusaiding sodium reabsorption. |
Aldosterone increases sodium reabsorption by increasing thenumber of Na+-K+ ATPase pumps in theluminal membrane of the proximal tubule. |
Aldosterone is produced in the adrenal cortex. |
2. Which of the following statements about ADH(antidiuretic hormone) is correct?
ADH is released by the posterior pituitary gland. |
ADH inserts water channels into the luminal membrane of theproximal tubules. |
ADH is synthesized by the adrenal gland and works in thekidney. |
ADH would increase urine volume. |
3. In severe dehydration or blood loss, what would be thelevels of ADH and what would be the urine flow rate?
ADH – high; high urine flow rate (16 ml/min) |
ADH – low; low urine flow rate (0.25 ml/min) |
ADH – high; low urine flow rate (0.25 ml/min) |
ADH – low; high urine flow rate (16 ml/min) |
Related Book For
Introduction To Corporate Finance
ISBN: 9781118300763
3rd Edition
Authors: Laurence Booth, Sean Cleary
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