Which of the following describes the three types of strokes?

The correct classification for the three types of strokes includes thrombotic, embolic, and hemorrhagic strokes.

Thrombotic strokes occur when a blood clot forms in one of the arteries supplying blood to the brain, often due to atherosclerosis, which is the buildup of fatty deposits in the arterial walls. This type of stroke is commonly associated with vascular disease and is characterized by a slow onset.

Embolic strokes result from a blood clot or debris that travels from another part of the body, often the heart, and lodges in a cerebral artery, blocking blood flow. This type of stroke typically occurs suddenly and is often linked to conditions like atrial fibrillation.

Hemorrhagic strokes happen when a blood vessel in the brain bursts, leading to bleeding in or around the brain. This type can be caused by various factors, such as hypertension, arteriovenous malformations, or aneurysms.

The other options provided do not represent the correct classifications of strokes. Terms like ischemic refer to a broader category that includes both thrombotic and embolic strokes, and while transient and acute descriptive terms can relate to stroke timing and duration, they don't represent the underlying mechanisms of stroke types.