Quiz: Computerized Tomography (CT)
Question 1 of 3  

In computerized tomography (CT), x-ray images of the body are taken from multiple angles and converted by a computer into images resembling 2- and 3-dimensional slices (cross-sections). People having a CT scan are asked to remove all jewelry and metal items such as zippers and belt buckles located near the body part being scanned. Why are patients asked to remove metal before having a CT scan?

  • A.

    Rays from the machine could cause metallic objects to emit noxious gassesĀ 

  • B.

    The items can damage the CT machine

  • C.

    The items may block the x-rays and blur the imagesĀ 

  • D.

    The items would heat up in the machine and could cause burns to the person having the scan

Am I correct?