Laboratory test

Question 1

samples of CSF are examined

Answer 1

cerebrospinal fluid analysis

Question 2

X-ray imaging of the arterial blood vessels in the brain after injection of contrast material

Answer 2

cerebral angiography

Question 3

computerized x-ray technique that generates multiple images of the brain and spinal cord

Answer 3

computed tomography (CT) of the brain

Question 4

Magnetic field and pulses of radiowave energy create images of the brain and spinal cord

Answer 4

magnetic resonance imaging (MRI)

Question 5

Radioactive glucose is injected and then detected in the brain to image the metabolic activity of cells

Answer 5

positron emission tomography (PET) scan

Question 6

Sound waves detect blood flow in the carotid and intracranial arteries

Answer 6

Doppler ultrasound studies

Question 7

Recording of the electrical activity of the brain

Answer 7

electroencephalography

Question 8

CSF is withdrawn from between two lumbar vertebrae for analysis

Answer 8

lumbar puncture (LP)

Question 9

Use of a specialized instrument to locate and treat targets in the brain

Answer 9

stereotactic radiosurgery