Exam (elaborations) DAANCE
Nervous system - ANSWER Provides overall control of body function 1. Central Nervous System 2. Peripheral Nervous System 3. Autonomic Nervous System - ANSWER Three subdivisions of the Nervous System Neurons - ANSWER Cells of the nervous system that are responsible for conducting nerve impulses Local anesthetics prevent - ANSWER Depolarization, by slowing or stopping movement of the nerve impulse Synapse - ANSWER The junctions between two nerves Central Nervous System (CNS) - ANSWER Overall control center of the body and consists of brain and spinal cord Components of the brain - ANSWER Cerebrum, Cerebellum, Brain stem Peripheral Nervous System (PNS) - ANSWER Nerves that carry impulses away from the CNS to the body; Sensory nerves + Motor nerves Two components to the PNS - ANSWER Cranial Nerves + Spinal Nerves Trigeminal Nerve - ANSWER fifth cranial nerve; supplies sensation to the teeth and jaws Meaning "Three pairs" - ANSWER Trigeminal Three divisions of Trigeminal - ANSWER Ophthalmic, Maxillary, Mandibular Autonomic Nervous System (ANS) - ANSWER Regulates the internal organs; Keeps body at homeostasis. Two subdivisions of ANS - ANSWER Sympathetic + Parasympathetic Sympathetic System - ANSWER More DYNAMIC and SPEEDS UP processes; important in maintaining blood pressure Parasympathic system - ANSWER Maintains RESTING STATE and SLOWS processes; "Couch Potato" state Controls blood vessel diameter; "Fight- or- Flight" - ANSWER Sympathetic system
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