The prefix "dys" means?

• A. Reflect signal
• B. Out from
• C. Electricity
• D. With pain or difficulty

Answer: (D)

Dys- signals that something is abnormal, difficult, or painful. It turns a word into a description of a problematic condition. For example, dyspepsia means indigestion with discomfort, dysphagia means difficulty swallowing, and dysuria means painful or difficult urination. The other options don’t align with how this prefix changes meaning, since they don’t convey abnormality, pain, or difficulty. So the meaning “with pain or difficulty” is the best fit.