The word part that means "paralysis, stroke" is C. -plegia. Here's why:
1. The word part "-plegia" is derived from the Greek word "plege," which means "a stroke" or "a blow."
2. When you see the word part "-plegia" in a medical term, it usually refers to a condition involving paralysis or stroke, such as hemiplegia (paralysis of one side of the body) or paraplegia (paralysis of the lower half of the body).
3. In the context of medical terminology, understanding word parts like "-plegia" can help you break down complex terms and grasp their meanings more easily.
Therefore, when you encounter the word part "-plegia" in a medical term, you can associate it with paralysis or stroke, making it the correct choice for the given question.