Final answer:
A stroke may be caused by a thrombus, aneurysm, or embolus.
Step-by-step explanation:
A stroke may be caused by a(n) thrombus, aneurysm, or embolus. A thrombus is a blood clot that forms within a blood vessel, blocking blood flow. An aneurysm is a weakened and bulging area in a blood vessel that can rupture. An embolus is a clot or foreign material that travels through the bloodstream and blocks a blood vessel.
Learn more about Causes of strokes