Nervous System Pharmacological Nclex-Rn Review Study Guide

The nervous system is divided into two distinct parts: the central nervous system (CNS) which comprises of the brain and the spinal cord and the peripheral nervous system (PNS) which involves nerves that extend beyond the brain and the spinal cord. Further, the PNS is divided into somatic nervous system (nerves that connect the brain and spinal cord with voluntary or skeletal muscles) and autonomic nervous system (nerves that connects the brain stem and spinal cord with internal organs thro...