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NP 125 Unit 7

Neurologic function flashcards

Cerebrum The center of intellect and consciousness
Cerebellum Responsible for coordination of movement, posture, and muscle tone that are the mechanisms of balance
Hypothalamus Controls body temperature, appetite, and water balance; links nervous and endocrine systems
Brainstem Consists of the midbrain, pons, and medulla oblongata
Midbrain Mediates visual and auditory reflexes; it controls cranial nerves III and IV and certain eye movements
Pons Has links that connect various parts of the brain, and helps to regulate respiration
Medulla oblongata Regulates heartbeat, respiration, and blood pressure and controls the center for swallowing, coughing, sneezing, and vomiting; and relays messages to other parts of the brain.
PNS Peripheral nervous system composed of the sensory organs, cranial nerves, and spinal nerves and ganglia that link the sensory organs, muscles, and other parts of the body to the brain and spinal cord.
CNS Central nervous system composed on cerebrum, cerebellum, hypothalamus, brainstem, and midbrain
Sensory Nerves Carry signals from the body to the CNS
Motor Nerves Carry signals from the CNS to the body
Neurotransmitters Acetylcholine, dopamine, norephinephrine, serotonin, and epinephrine help transmit stimulus from one neuron to the next
Myelin sheath A white, fatty covering that speeds the conduction of nerve impulses
Sympathetic Nerves Mobilizes energy to initiate changes aimed at maintaining or restoring homeostasis
Parasympathetic Nerves Conserves and restores energy used to maintain homeostasis
CSF Cerebral Spinal Fluid cushions and protects the brain and spinal cord.
ICP Intracranial Pressure measures the pressure inside the skull. Excess CSF can cause rises in pressure that leads to loss of brain tissue and functiion.
LOC Level of Consciousness is often measured using the Glasgow Coma Scale
Created by: Dr.D