Lisa, a 29-year-old woman, is diagnosed with a subdural hematoma and is on an IV drip of mannitol at 50 mL/hr. Why is it crucial to maintain this slow infusion rate?
To avoid fluid overload.
To prevent mannitol crystallization.
To avoid hyperglycemia.
To maintain electrolyte balance.
Grace, 67: Chronic sinusitis not responding to medications
The Correct Answer is B
A. Mannitol is an osmotic diuretic used to reduce intracranial pressure. While maintaining an appropriate infusion rate helps prevent fluid overload, it's not the primary reason for the slow infusion rate.
B. Mannitol can crystallize at lower temperatures or higher concentrations, leading to occlusion of the IV line. Maintaining a slow infusion rate reduces the risk of crystallization.
C. Mannitol itself does not typically cause hyperglycemia. Its primary concern regarding infusion is related to crystallization rather than glucose metabolism.
D. Mannitol's impact on electrolyte balance is more related to its osmotic diuretic effect rather than the infusion rate.
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Related Questions
Correct Answer is C
Explanation
A. This vaccine is recommended for adults over 50 years old to prevent shingles, but it is not typically administered annually.
B. There is no routine annual immunization for Hepatitis C.
C. Annual influenza vaccination is strongly recommended for patients with COPD to reduce the risk of influenza-related complications.
D. While pneumococcal vaccination is important for patients with COPD, it is not administered annually in most cases.
Correct Answer is A
Explanation
A. After Trabeculectomy surgery, it's crucial to monitor for bleeding at the surgical site to ensure proper wound healing and to prevent complications such as infection or hematoma.
B. While diet may be important for overall health, it is not the priority immediately following Trabeculectomy surgery.
C. ADL assistance may be required postoperatively, but it is not the priority in this case.
D. These medications may be prescribed postoperatively, but monitoring for excessive bleeding takes precedence to prevent complications.
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