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Nervous System
| Question | Answer |
|---|---|
| The Nervous System consists of | Brain, Spinal Cord, Cranial & Spinal Nerves |
| The 2 divisions of the Nervous System | The Central Nervous System & The Peripheral Nervous System |
| The Central Nervous System contains | Brain and Spinal Cord |
| The Peripheral Nervous System divides into | Somatic & Autonomic Divisions |
| The Peripheral Nervous System contains | 12 pairs of cranial nerves and 31 pairs of Spinal Nerves |
| The Afferent Division has these types of Nerves: | Sensory Nerves |
| The Afferent Nerves carry impulses from | The body to the Central Nervous System |
| The Efferent nerves carry impulses from | The Central Nervous System to muscles and glands |
| The Efferent Division has these type of Nerves: | Motor Nerves |
| The Somatic Nervous System supplies Motor Impulses to | Skeletal Muscles |
| The Somatic Nervous system provides what kind of control over Skeletal Muscle Contractions | Voluntary Control |
| The Autonomic Nervous system divides into two different types of Nerves known as | Sympathetic and parasympathetic nerves |
| Sympathetic Nerves are your | Flight or fight response nerves |
| Parasympathetic Nerves are your | Restful state nerves |
| A neuron is | Functional unit of a nerve cell |
| A neuron contains 3 basic parts- | Cell body, 1 Axon, 1 or more Dendrites |
| Axons carry impulses | Away from the cell body |
| Neurons carry impulses | Towards the cell body |
| Microglia protect the CNS through | Phagocytosis |
| Oligodendrocytes | Neuroglia cell creates the myelin sheath for the Axons |
| Neuroglia cells are | Helper cells to the Neuron |
| Three types of Neuroglia cells | Astrocytes, Microglia, Oligodendrocytes |
| Three membranes that line the skull and the vertebral canal | Meninges |
| The Brain and Spinal Cord are also surrounded by | Cerebrospinal Fluid |
| The CSF provides a pathway for the removal of | Waste products |
| The Cerebral Spinal Fluid acts as | A watery cushion or shock absorber |
| The CSF helps the brain by | Nourishing it & Protecting it |
| The largest part of the Brain | Cerebrum |
| The four parts of the Brain | Cerebrum, Cerebellum, Brain Stem, Hypothalamus |
| Elevations (folds) and Grooves (ridges) of the Cerebrum | Gyri and sulci |
| The 2 hemispheres of the Brain | The Left & Right Cerebral Hemispheres |
| Longitudinal Fissure | Separates the Left & Right Cerebral Hemispheres |
| The Four Lobes of the Brain are | Frontal, Parietal, Occipital, Temporal |
| The second largest part of the Brain | Cerebellum |
| The Hypothalamus controls | The Autonomic Nervous System |
| The Autonomic Nervous System controls | Blood pressure, maintaining body temperature, maintaining water balance, appetite regulation, plays a role in emotions such as fear and pleasure |
| The Spinal Cord carries | 31 pairs of Spinal Nerves |
| The Spinal Cord affects | The lower limbs and lower trunk |
| The Spinal Cord is a pathway for | Impulses traveling to and from the Brain |
| Cranial Nerves | The set of 12 nerves that originate in the Brain |
| The functions of the Cranial Nerves are | Sensory, motor, or both |
| Thec/o | Sheath |
| Dendr/o | Tree; branches |
| Caus/o | Burning |
| Hemi- | Half |
| Tax/o | Order |
| Tetra- | Four |
| Laminectomy | The surgical removal of the bony arches from one or more vertebrae |
| Ventricle | A small hollow within the brain that is filled with cerebrospinal fluid |
| Myelography | Procedure in which contrast medium is introduced into the lumbar subarachnoid space |
| Encephalitis | Inflammation of the Brain (or spinal cord tissue) |
| Bradykinesia | Abnormally slow movement |
| Cranitomy | Incision into the skull (cranium) |
| Bell's Palsy | A usually temporary weakness and paralysis of the muscles in the face |
| Hydrocephalus | Many times this condition requires the use of a shunt to remove CSF and decrease intracranial pressure |
| Transient Ischemic Attack | A very brief period of ischemia in the brain, lasting from minutes to hours, which can cause a variety of symptoms |
| Electroencephalography | A measurement of electrical activity produced by the brain and recorded through electrodes placed on the scalp |
| Grand Mal Seizure | A seizure that begins with a sudden loss of consciousness, characterized by the presence of muscle-contraction or tension followed by relaxation, also called “Tonic Clonic |
| Alzheimer's Disease | A degenerative disease that progresses through stages ending with the deterioration of mental, emotional, and physical functioning |
| Quadriplegia | Paralysis of all 4 extremities |
| Aphasia | Without speech |
| Dysphasia | Difficult speech |
| Paraplegia | Paralysis of the lower extremities and trunk |
| -plegia | Paralysis |
| -sis | Condition |
| -algia | Pain |
| -itis | Inflammation |
| -kinesis | Movement |
Created by:
MsKim6399
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