CNS stands for?

• A. Central Nervous System
• B. Cerebral Nervous System
• C. Cardiac Nervous System
• D. Central Neuronal System

Answer: (A)

Recognize standard anatomical abbreviations for major parts of the nervous system. CNS stands for Central Nervous System, the brain and spinal cord that act as the body's main processing and command center. This is the best answer because it accurately names the entire central nervous system, not just a part or an incorrect term. The term that would refer only to the brain (cerebral nervous system) isn’t the formal designation for the whole CNS, and terms like cardiac nervous system or central neuronal system aren’t standard names for the nervous system.