Answer:
3. Computed tomography (CT)
Step-by-step explanation:
- Electromyography: is an electrodiagnosis that evaluates muscles and the nerve cells that control them by recording their electrical activity.
- Cerebral angiography: is a test that uses a special dye and X-ray to obtain an image to see blood flow in the brain.
- Computer tomography: is a scanning method that uses x-ray equipment to create detailed 3D images of external and internal structures.
- Transcranial dopple: it uses low-frequency ultrasound to measure cerebrovascular function.
Therefore the correct answer is 3. Computed tomography (CT)
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