Stroke- anatomy + anatPat 5 SAQs Flashcards
What is a stroke?
A stroke is a medical condition that occurs when the blood supply to the brain is disrupted, leading to brain damage.
What are the two main types of stroke?
The two main types of stroke are ischemic stroke and hemorrhagic stroke.
What is an ischemic stroke?
An ischemic stroke occurs when a blood vessel supplying blood to the brain is blocked, usually by a blood clot.
What is a hemorrhagic stroke?
A hemorrhagic stroke occurs when a blood vessel in the brain ruptures and bleeds into the surrounding tissue.
What is the leading cause of ischemic stroke?
The leading cause of ischemic stroke is atherosclerosis, which is the buildup of plaque in the arteries.
What is a transient ischemic attack (TIA)?
A transient ischemic attack (TIA) is a temporary interruption of blood flow to the brain, often called a “mini-stroke.”
What is the function of the circle of Willis?
The circle of Willis is a network of blood vessels that provides collateral blood flow to the brain.
What is the main artery that supplies blood to the brain?
The main artery that supplies blood to the brain is the internal carotid artery.
What is the role of the middle cerebral artery (MCA) in the cerebrovascular system?
The middle cerebral artery (MCA) supplies blood to the lateral surface of the brain, including the motor and sensory cortex.
What is the consequence of a stroke in the left hemisphere of the brain?
A stroke in the left hemisphere of the brain can cause language and speech difficulties, as well as problems with memory and cognitive function.
