A patient admitted to the emergency department is unresponsive after successsful resucitation.  Initial laboratory findings are serum potassium 4.0 mEq/L, serum sodium 142 mEq/L, blood glucose of 210 mg/dL, and an elevated troponin level.  Cardiac monitoring shows multifocal premature ventricular contractions (PVC’s).  The nurse understands that the patient’s PVC’s are most likely caused by:

The physician orders an increase in positive end expiratory pressure (PEEP) to 12cm in a patient on mechanical ventilation.  The nurse understands that this increases the risk of the patient developing:

Which assessment finding should the nurse anticipate in a newly intubated and mechanically ventilated patient ?

A patient with a permanent pacemaker shows pacemaker spikes without a QRS following each spike.  This implies that the patient is experiencing:

Your patient has COPD with 78% forced expiratory volume in 1 second. How would you classify the severity of this patient’s COPD?

A patient with a 35-pack year smoking history reports having a chronic cough. The patient is now noticing pink, frothy, blood tinged sputum on the tissue after coughing. The chest radiograph shows a possible nodule in the right upper lobe. What diagnostic test is indicated at this time?  

An adult patient with a history of asthma calls the clinic to report she is “blowing 60%” on her peak flow meter”. The FNP reviews the patient’s asthma action plan. What advise will the FNP provide to the patient?  

What are the three most common causes of a cough?  

A patient with known HIV, diabetes mellitus and hypertension presents for reading of tuberculosis (TB) skin test. What is the smallest diameter of induration that would indicate a positive result? 

Find the derivative.y = 4×4 + 7×3 + 4