Which of the following statements regarding hypertonic (3%) sodium chloride is correct?
Hypertonic fluids are contraindicated in patients with cerebral edema.
Hypertonic saline may be administered to shift fluid out of brain tissue.
Hypertonic saline is most often used for clients in hypernatremia.
Hypertonic fluids are administered to promote increased brain tissue hydration.
The Correct Answer is B
A. Hypertonic fluids are not contraindicated in patients with cerebral edema. In fact, they are often used to reduce cerebral swelling by drawing fluid out of the brain tissue into the bloodstream.
B. Hypertonic saline (3%) is used to shift fluid out of brain tissue in conditions such as cerebral edema. It creates an osmotic gradient, pulling water from the intracellular space into the extracellular and vascular compartments, reducing intracranial pressure.
C. Hypertonic saline is not used for clients with hypernatremia because it would exacerbate the condition by further increasing sodium levels.
D. Hypertonic fluids do not promote hydration of brain tissue. Instead, they work to reduce excess fluid in the brain by creating an osmotic effect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Avoiding crowds is appropriate, as both Sulfasalazine and Azathioprine can suppress the immune system, increasing the risk of infection.
B. It is correct that it may take several weeks for these medications to show effects, especially with Sulfasalazine. This is a reasonable statement.
C. Notifying the provider if the client experiences fevers is important because it could be a sign of infection, which is a potential side effect of Azathioprine, an immunosuppressive drug.
D. Orange urine is a common side effect of Sulfasalazine and is harmless. The client should not go to the emergency room for this symptom, as it is a known and expected side effect. Therefore, the statement about going to the emergency room indicates a need for further teaching.
Correct Answer is ["B","D","E"]
Explanation
A. Intact motor function is not a sign of compartment syndrome. Motor deficits, rather than intact function, would raise concern for this condition.
B. A capillary refill time of 5 seconds is prolonged and indicates impaired circulation, which is a sign of compartment syndrome.
C. A bounding pulse is not consistent with compartment syndrome. Pulses may initially remain normal but can diminish as the condition progresses.
D. Pallor to the lower extremity suggests compromised blood flow, which is a hallmark of compartment syndrome.
E. Numbness and tingling (paresthesia) indicate nerve compression, a common symptom of compartment syndrome.
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