Question

which of the following diagnostic tests examines the blood vessels of the brain after the injection of a dye?
(a) nerve conduction velocity
(b) lumbar puncture
(c) positron emission tomography
(d) cerebral angiography

Explanation:

• Nerve conduction velocity measures how fast an electrical impulse moves through a nerve.
• Lumbar puncture is used to collect cerebrospinal fluid for analysis.
• Positron emission tomography (PET) shows metabolic activity in the body.
• Cerebral angiography involves injecting a dye into the blood vessels of the brain and then taking X - ray images to visualize the blood vessels.

Answer:

D. cerebral angiography