An Artery in Wiley's Brain Is Blocked, and a Significant

question 104

Multiple Choice

An artery in Wiley's brain is blocked, and a significant part of Wiley's brain is left without nourishment. What is Wiley experiencing?

• A) a circadian rhythm
• B) a hemorrhage
• C) a transient ischemic attack
• D) a cerebral vascular accident

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Definitions:

CT Scan

a medical imaging procedure that combines a series of X-ray measurements from different angles to produce cross-sectional images of specific areas of the body.

MRI Scan

A medical imaging technique that uses a magnetic field and computer-generated radio waves to create detailed images of organs and tissues within the body.

Blood-Oxygenated-Level-Dependent

A measure used in functional MRI to detect brain activity by assessing changes in blood oxygen levels, reflecting the amount of neural activity in specific areas of the brain.

BOLD Signals

Biological markers in neuroimaging, particularly in functional magnetic resonance imaging (fMRI), which stand for Blood Oxygen Level Dependent signals, reflecting changes in brain activity.