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Devon is a construction worker and works

Devon is a construction worker and works 4 long, hot days in temperatures over 90 degrees. He is so eager to complete his assigned tasks that he does not stop for proper water breaks and becomes dehydrated. a. How could Devon’s dehydration change his blood pressure?_____________________________ b. What key receptors would detect this change in a.?____________________________________ c. How could the above change in blood pressure affect the GFR?____________________________ d. What hormone may be released from the posterior pituitary gland when he loses too much water? _________________ e. Explain how this hormone works on the nephron to conserve the water his body is losing. f. Will the hormone from e. cause Devon to produce more concentrated urine or dilute urine?__________________________ g. Because of a. and c. the kidneys will also secrete the enzyme __________________________, which converts the plasma protein from the liver called h. _____________________________ to i._____________________________. This is then converted to the hormone j._________________________________ by the enzyme k. _____________. l. The hormone j increases BP and therefore GFR by increasing ___________________ and by vasodilating / vasoconstricting his blood vessels. (Circle one) m. In order to reverse the change in a, hormone j will also cause Devon to secrete a hormone from the adrenal cortex called______________________. n. Explain how this hormone works to change a. SCIENCE HEALTH SCIENCE NURSING NURS 329

 
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