3. Your patient, Ms. Young, has failing kidneys that cause an increase in her extracellular fluid K+concentration. What would this do to the resting

3.  Your patient, Ms. Young, has failing kidneys that cause an increase in her extracellular fluid K+ concentration.  What would this do to the resting membrane potential of her neurons and muscle cells?  

 4.  You control the situation with the K+ ions and now on her electrolyte report, you notice that Ms. Young is losing the vast majority of her sodium through urination.  What would you expect to happen to her neurons and muscle cells if she didn't have enough extracellular sodium?