The nurse admits a patient with a low BP who reports severe diarrhea for several days from a Clostridium difficile infection. Which IV fluid would the nurse associate with the need to rapidly replace the patient's fluid volume?
0.45% sodium chloride
0.9% sodium chloride
5% dextrose in 0.9% sodium chloride
5% dextrose in 0.45% sodium chloride
The Correct Answer is B
Choice A reason: 0.45% sodium chloride is a hypotonic solution, which is not ideal for rapidly replacing fluid volume in patients with low blood pressure due to severe diarrhea. Hypotonic solutions can cause fluid to move into cells rather than staying in the vascular space, potentially worsening hypotension.
Choice B reason: 0.9% sodium chloride, also known as normal saline, is an isotonic solution. It is the best choice for rapidly replacing fluid volume in patients with low blood pressure. Isotonic solutions stay in the vascular space and help restore circulating blood volume and blood pressure without causing fluid shifts that can lead to cellular edema or dehydration.
Choice C reason: 5% dextrose in 0.9% sodium chloride is a hypertonic solution, which might not be the most appropriate for initial rapid fluid resuscitation. Hypertonic solutions can draw fluid into the vascular space from the interstitial and intracellular spaces, potentially leading to rapid changes in fluid balance and electrolyte shifts.
Choice D reason: 5% dextrose in 0.45% sodium chloride is also a hypertonic solution but with a hypotonic component (0.45% sodium chloride). This combination is not typically used for rapid fluid resuscitation because it can cause fluid shifts that are less predictable and may complicate the patient's electrolyte balance and hydration status.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Administering antiemetics before chemotherapy is an effective intervention to help manage Sarah's nausea. Antiemetics can prevent or reduce the severity of nausea and vomiting associated with chemotherapy, making it easier for patients to tolerate treatment and maintain their nutritional status.
Choice B reason: Encouraging carbonated beverages is not a recommended intervention for managing nausea. Carbonated beverages can sometimes worsen nausea due to their acidity and carbonation.
Choice C reason: Recommending three large meals and two small snacks daily is not the best approach for managing nausea. Smaller, more frequent meals are generally more effective in preventing nausea and ensuring adequate calorie intake. Large meals can be overwhelming and may exacerbate nausea.
Correct Answer is ["C","D"]
Explanation
Choice A reason: Placing the patient in restraints for safety is not typically necessary unless the patient is agitated or a danger to themselves or others. This action is not directly addressing the acute condition of a stroke.
Choice B reason: Inserting an NGT (nasogastric tube) is not an immediate priority in the acute management of a stroke. This might be considered later if the patient has swallowing difficulties and needs nutritional support, but it is not a first-line intervention.
Choice C reason: Anticipating thrombolytic therapy for ischemic stroke is appropriate, as timely administration of thrombolytics can dissolve the clot and improve blood flow to the affected brain area, potentially reducing the severity of the stroke.
Choice D reason: Establishing IV access with normal saline is crucial for administering medications and maintaining hydration. It ensures that the patient can receive necessary interventions promptly.
Choice E reason: Placing the patient in the prone position is not appropriate in the management of an acute stroke. The prone position is generally used in respiratory conditions to improve oxygenation but is not relevant to stroke management.
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