A nurse is preparing to infuse one unit, 330 mL, of packed red blood cells over 4 hours to a patient with heart failure. The nurse should set the pump to deliver how many mL/hr?

Round to the nearest whole number.

Answer and Explanation

The Correct Answer is ["83"]

To calculate the infusion rate, divide the total volume of fluid to be infused by the total time over which the infusion should occur.

$\frac{330 \text{ mL}}{4 \text{ hours}} = 82.5 \text{ mL/hr}$

Rounding to the nearest whole number, the nurse should set the pump to deliver 83 mL/hr.

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Correct Answer is A

Explanation

Choice A reason:

Arterial Blood Gas (ABG) analysis is the best method to determine the effectiveness of treatments in a client receiving mechanical ventilation. ABGs provide direct information about the patient's oxygenation, ventilation, and acid-base status, which are critical in managing acute respiratory failure.

Choice B reason:

While blood pressure is important for overall patient monitoring, it does not provide specific information about the effectiveness of ventilation and respiratory status. It is more related to hemodynamic stability.

Choice C reason:

Capillary refill can provide some information about peripheral perfusion but is not specific enough to assess the effectiveness of mechanical ventilation or respiratory treatments.

Choice D reason:

Heart rate is a vital sign that can indicate the patient's overall condition but does not specifically assess the effectiveness of ventilation or respiratory treatments. It should be considered along with other more specific respiratory assessments.

A. The extent of your injury cannot be determined until any secondary injury to the cord has resolved. B. An MRI can reveal the extent of cord damage. C. You will have normal function when spinal shock resolves and the reflex arc returns. D. Because rehabilitation can affect the return of function, it will be years before impairment can be determined.

Correct Answer is A

Explanation

Choice A reason:

The extent of impairment following a spinal cord injury cannot be determined until any secondary injury to the cord has resolved. Secondary injury, such as inflammation and swelling, can worsen the initial damage and impact the long-term prognosis.

Choice B reason:

An MRI can reveal the extent of cord damage but does not provide a complete picture of the potential functional outcomes. The full extent of impairment cannot be determined solely by imaging.

Choice C reason:

Stating that the patient will have normal function when spinal shock resolves and the reflex arc returns is misleading and overly optimistic. Not all patients will regain normal function after a spinal cord injury, and outcomes vary.

Choice D reason:

While rehabilitation plays a crucial role in recovery, stating that it will be years before impairment can be determined is not entirely accurate. Functional outcomes can often be assessed sooner as the initial recovery phase progresses.

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A nurse is preparing to infuse one unit, 330 mL, of packed red blood cells over 4 hours to a patient with heart failure. The nurse should set the pump to deliver how many mL/hr? Round to the nearest whole number.

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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A nurse is preparing to infuse one unit, 330 mL, of packed red blood cells over 4 hours to a patient with heart failure. The nurse should set the pump to deliver how many mL/hr?

Round to the nearest whole number.