Practice Quiz 1.
Potassium is the major intercellular cation and regulates intercellular osmolality.
The amount of Potassium and Sodium with the cells is regulated by the Sodium-Potassium pump, located on the cell wall. Renal shutdown Correct A Potassium has a direct effect on the excitability of muscle tissue and can alter cardiac conduction and heart rhythm. One-side headache with nausea Correct C. Moist crackles in the lungs could be indicative of pulmonary edema or fluid overload and should be reported to the physician immediately. The nurse assesses the patient who is severely dehydrated and going into shock. Decreasing blood pressure, decreasing pulse b.