An RN is teaching a student nurse about tissue plasminogen activator (tPA) administration in a patient with ischemic stroke. Which statement made by the student nurse indicates a need for further teaching?
"tPA should be administered within 12 hrs of the onset of a stroke."
"tPA is administered by intraarterial infusion."
"tPA is administered IV."
"PA requires BP monitoring during and 24 hrs after the treatment."
The Correct Answer is A
A. tPA (tissue plasminogen activator) should be administered within 3 to 4.5 hours of the onset of ischemic stroke symptoms, not 12 hours. Administering it after this window increases the risk of complications such as bleeding.
B. tPA is administered by intraarterial infusion is true, but it refers to a specific technique for certain stroke types.
C. tPA is administered IV is correct for intravenous administration in many cases of ischemic stroke.
D. tPA requires BP monitoring during and 24 hrs after the treatment is accurate as blood pressure control is critical when administering tPA.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A hemorrhagic stroke, especially after a ruptured cerebral aneurysm, often presents with a sudden, severe headache. This headache is typically described as the "worst headache of my life."
B. Gradual onset of several hours is more typical of an ischemic stroke, not a hemorrhagic stroke.
C. History of neurologic deficits lasting less than 1 hour would suggest a transient ischemic attack (TIA), not a hemorrhagic stroke.
D. Maintains consciousness is not typical of a hemorrhagic stroke, as the client may lose consciousness or be altered in their mental status due to the bleeding.
Correct Answer is A
Explanation
A. Osmotic diuretics, such as mannitol, help reduce cerebral edema by drawing fluid out of the brain.
B. Osmotic diuretics do not increase cell size.
C. The goal of osmotic diuretics is not to provide fluid hydration.
D. The medication does not expand extracellular fluid volume; it reduces it.
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