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A nurse is preparing to administer ampicillin 500 mg via intermittent IV bolus over 30 min. Available is 500 mg ampicillin in 50 mL dextrose 5% in water (DSW). The nurse should set the pump to deliver how many mL/hr?

(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["100"]

To calculate the infusion rate, use the formula:

mL/hr = (volume of solution in mL / time of infusion in hr) x 60 min/hr

Plug in the given values:

mL/hr = (50 mL / 0.5 hr) x 60 min/hr

Simplify and solve:

mL/hr = 100 x 60 min/hr

mL/hr = 100 mL/hr

Round to the nearest whole number and add a leading zero if needed:

mL/hr = 100 mL/hr

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Correct Answer is C

Explanation

Placing the client in a prone position improves oxygenation and ventilation by reducing lung compression, increasing lung expansion, and redistributing blood ﬂow to better match ventilation.

a) Administering low-ﬂow oxygen via nasal cannula is not sufficient for a client with ARDS, who requires
high levels of oxygenation and positive pressure ventilation to prevent alveolar collapse and hypoxemia.
b) Oﬀering high-protein and high-carbohydrate foods frequently is beneficial for a client with ARDS, as it provides adequate nutrition and energy to support lung healing and prevent muscle wasting. However, it is not the priority intervention for improving respiratory function.
d) Encouraging oral intake of at least 3,000 mL of ﬂuids per day is contraindicated for a client with ARDS, who is at risk of ﬂuid overload and pulmonary edema. Fluid intake should be restricted and diuretics should be administered as prescribed to reduce ﬂuid accumulation in the lungs.

Correct Answer is ["0.75"]

Explanation

To calculate the volume of solution, use the formula:

mL = (desired dose in mg / available dose in mg) x 1 mL

Plug in the given values:

mL = (6 mg / 8 mg) x 1 mL

Simplify and solve:

mL = 0.75 x 1 mL

mL = 0.75 mL

Round to the nearest hundredth and add a leading zero if needed:

mL = 0.75 mL

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Naxlex Comprehensive Predictor Exams

A nurse is planning care for a client who has acute respiratory distress syndrome (ARDS). Which of the following interventions should the nurse include in the plan?

Correct Answer is C

Explanation

A nurse is preparing to titrate morphine 6 mg via IV bolus to a client. The amount available is morphine 8 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.75"]

Explanation

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