A nurse is teaching a community class that those experiencing symptoms of ischemic stroke need to enter the medical system early. The primary reason for this is which of the following?
a. Intracranial pressure is increased by a space-occupying bleed.
b. Thrombolytic therapy has a time window of only 3 hours.
c. A ruptured arteriovenous malformation will cause deficits until it is stopped.
d. A ruptured intracranial aneurysm must quickly be repaired.