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","B","C","E"]

Explanation

Choice A reason:

Autonomic dysreflexia is a serious condition that can occur in individuals with spinal cord injuries, particularly those at or above the T6 level. It is a secondary injury mechanism that results from the autonomic nervous system's abnormal response to stimuli below the level of injury, leading to severe hypertension and other complications.

Choice B reason:

Ischemia, or reduced blood flow, is a common cause of secondary injury following a spinal cord injury. It can result from initial trauma or subsequent swelling and vascular damage, leading to further cell death and tissue damage.

Choice C reason:

Edema, or swelling, is another cause of secondary injury in spinal cord injuries. The inflammatory response to injury can cause fluid accumulation, increasing pressure within the spinal column and exacerbating damage to spinal cord tissues.

Choice D reason:

Axial loading is a primary mechanism of spinal cord injury, not a secondary injury cause. It refers to the vertical force applied along the axis of the spine, typically resulting from falls or direct blows, leading to compression and potential fractures.

Choice E reason:

Hemorrhage, or bleeding, is a significant cause of secondary injury in spinal cord trauma. It can result from blood vessel damage at the injury site, leading to increased pressure, further tissue damage, and impaired blood flow.

A. Use non-steroidal anti-inflammatory drugs for discomfort. B. Limit sodium in the diet to 3.5 g/day. C. Place client in a lateral position. D. Limit fluid intake to 2 liters/day.

Correct Answer is D

Explanation

Choice A reason:

Using non-steroidal anti-inflammatory drugs (NSAIDs) for discomfort is not recommended for patients with heart failure because NSAIDs can cause fluid retention and worsen heart failure symptoms. They can also interfere with the effects of certain heart failure medications.

Choice B reason:

Limiting sodium in the diet to 3.5 g/day is not restrictive enough for heart failure patients. Typically, heart failure management involves reducing sodium intake to around 2-2.3 g/day to help prevent fluid retention and reduce the workload on the heart.

Choice C reason:

Placing the client in a lateral position is not specifically beneficial in the management of heart failure. While changing positions can be part of general patient care, it does not directly address the fluid balance or cardiac workload in heart failure patients.

Choice D reason:

Limiting fluid intake to 2 liters/day is a common intervention for managing heart failure. This helps to prevent fluid overload, which can exacerbate heart failure symptoms and lead to complications such as pulmonary edema. Maintaining a careful balance of fluid intake is essential for managing heart failure effectively.

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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

A nursing student studying spinal cord injury recognizes all of the following to be causes of secondary injuries:

Correct Answer is ["A","B","C","E"]

Explanation

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Correct Answer is D

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.