Step 1: Break down the acronym CT in the context of medical imaging.
Step 1: CT scans are advanced diagnostic tools that use X-rays and computers to create detailed cross-sectional images of the body.
C stands for Computer or Computed.
T stands for Tomography. The word "tomography" comes from the Greek "tomos" (slice) and "graphein" (to write), so it means imaging by sections or slicing.
Step 2: Combine the terms and select the correct option.
Step 2: The full term is Computer Tomography or Computed Tomography. Option (B) provides the correct expansion. The other options use incorrect or non-existent words like "Tonography" (related to measuring pressure in the eye) or "Totalgraphy".