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

Answer and Explanation

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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Correct Answer is A, B, C, D

No explanation

A. The body produces new antibodies against the virus. B. The patient will experience systemic symptoms like fever and malaise. C. Sensitized T lymphocytes specifically target and eliminate the invading viral cells. D. Cell-mediated response doesn't kick in until the WBC count rises. E. Eating food

Correct Answer is C

Explanation

A. This describes the humoral immune response, where B lymphocytes produce antibodies against the virus.
B. This describes the systemic effects of inflammation, which can occur in both humoral and cell-mediated responses.
C. This accurately describes the cell-mediated immune response, where T lymphocytes directly target and kill infected cells.
D. The cell-mediated immune response can occur independently of changes in white blood cell (WBC) count.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Nurse Lisa is reading the history of incoming patients. Match the causes or events leading to their injuries with the most likely thoracic conditions.

Correct Answer is A, B, C, D

While caring for a patient undergoing treatment for a viral infection, the nurse explains the differences between humoral and cell-mediated immune responses. Which statement accurately describes the cell-mediated immune response?

Correct Answer is C

Explanation

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