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The images above show the typical pacemaker cell action potential compared to a ventricular myocyte action potential. Describe the specific ion channels at work in each of the cells during: Phase 4 of the pacemaker cell compared to the ventricular myocyte Phase 0 of the pacemaker cell compared to the ventricular myocyte Phase 2 of the ventricular myocyte Phase 3 of the pacemaker cell compared to the ventricular myocyte  

Match the descriptions with the correct category of signaling molecule:

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The nurse is caring for a client who is recovering from full-thickness burns is aware of the client’s risk for contractures and scarring.  How does the nurse best reduce the risk?

A nurse is providing teaching to a client who is at risk for developing respiratory acidosis following surgery.  Which intervention would help reverse the acidosis? 

A nurse is planning care for an older adult client who is at risk for developing pressure ulcers.  Which of the following interventions should the nurse use to help maintain the integrity of the client’s skin? 

A client with burns is to have a dressing change.  What should the nurse do 30 minutes before this intervention? 

A client is being discharged and is at risk for developing metabolic alkalosis.  Which statement by the client indicates to the nurse that teaching has been effective?  

The client is receiving an IV infusion at 150 mL/hr as prescribed.  After four hours of the infusion, the client reports shortness of breath and develops a cough.  Which intervention should be the nurse’s first action?

A nurse is caring for a client who has a stage 1 pressure ulcer.  Which of the following dressings should the nurse plan to apply?