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A nurse working in a busy emergency department reports feeling exhausted, irritable, and unable to focus during shifts. Which of the following actions by the nurse manager is most appropriate?

Which action should the nurse manager promote as an evidence-based practice to support alertness for night shift nurses?

A patient with a newly created neobladder asks the nurse if they will be able to void normally after surgery. What is the nurse’s most appropriate response?

A nurse is caring for a patient experiencing severe hypoxia. Which oxygen delivery system provides the highest concentration of oxygen?

A nurse is caring for a patient receiving 100% oxygen via a non-rebreather mask for several hours. Which symptom should alert the nurse to possible oxygen toxicity?

Postural drainage with percussion and vibration is ordered twice daily for a patient with chronic bronchitis. Which intervention would the nurse include in the plan of care?

 A manufacturer produces a product which it sells for $60 per unit. The variable cost per unit is $20 and the fixed cost per month is $10,000.   How many units must be sold per month to break even? 

What principal will grow to $12,031.25 at 7.5% interest in 15 months? 

Canadian Tire purchases microwaves from a wholesaler for $49 and marks them up by 25% of selling price. At the end of the summer, a floor-display model’s price is reduced to 12% above cost. What percentage price reduction should the price tag show? 

What amount would you have to invest now at 7% compounded annually in order to make withdrawals of $20,000 once per year for 25 years? The first withdrawal is to be made one year from now.