A Patient Is Undergoing Computed Tomography (CT)scanning of the Brain

question 23

Multiple Choice

A patient is undergoing computed tomography (CT) scanning of the brain to assess cerebral blood flow.Which of the following is the odorless, colorless, radioactive gas that is used to enhance the CT scan for this purpose?

• A)Xenon
• B)Radon
• C)Argon
• D)Krypton