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Nervous system
Review
| Question | Answer |
|---|---|
| Epilepsy | A disorder characterized by seizures. |
| Coma | Abnormal deep unconsciousness. |
| Microcephaly | Abnormally small head. |
| Anorexia Nervosa | All-consuming desire to remain thin. |
| bulimia nervosa | bulimia nervosa. |
| bulimia nervosa | Brain injury causing transient loss of consciousness. |
| ventricle | Cavity of an organ. |
| trephination | Circular opening made in the skull to relieve ICP. |
| somatic nervous system | Conveys impulses for voluntary functions |
| autonomic nervous system | Conveys impulses to glands, smooth muscles and cardiac muscles |
| hypnotics | Depress CNS functions to induce sleep |
| multiple sclerosis | Disease of the myelin sheath |
| myelopathy | Disease of the spinal cord |
| cerebrum | Functions include sensory perception and interpretation, muscular movement and emotional aspects of behaviour and memory |
| agnosia | Inability to comprehend auditory, visual, spatial, olfactory and other sensations |
| catatonic | Inability to move or talk. |
| aphasia | Inability to speak. |
| craniotomy | Incision into the skull |
| .peripheral nervous system | Includes all nervous tissue of the body found outside the CNS |
| encephalitis | Inflammation of the brain |
| pia mater | Innermost membrane of the brain and spinal cord |
| tremor | Involuntary tremble or shake |
| tics | Involuntary, spasmodic muscular contractions |
| ataxia | Lack of muscle coordination |
| lethargy | Lack of response; sluggishness |
| psychosis | Major emotional disorder |
| nerve conduction velocity | Measures the speed impulses travel through a nerve |
| arachnoid membrane | Middle layer covering the brain and spinal cord |
| efferent | Moves away from a central structure |
| afferent | Moves toward a central structure |
| lumbar puncture | Needle puncture of the spinal cavity |
| central nervous system | Network of nervous tissue found in the brain and spinal cord |
| neurosis | Nonpsychotic mental illness |
| idiopathic | Occurring without a known cause |
| dura mater | Outermost layer covering the brain and spinal cord |
| mylalgia | Pain in the spinal cord |
| herpes zoster | Painful, acute infectious disease; aka shingles |
| dystrophy | Poor development |
| aura | Premonitory awareness of an approaching physical or mental disorder |
| anesthetic | Produce a loss of sensation |
| anxiety | Psychological “worry” disorder |
| electroencephalography | Records electrical activity of brain patterns |
| cerebellum | Refines muscular movement; aids in equilibrium |
| analgesic | Relieve pain |
| convulsion | Sudden and violent contraction of the muscles |
| neuron | The functional cell of the nervous system |
| meninges | Three membranes that cover and protect the brain and spinal cord |
| neurotransmitter | Transmits impulses across synapses |
| asthenia | Weakness or debility |
| myelin | White fat-like sheath |
| List the three major structures of neurons. | • Cell body • Dendrites • Axons |
| Which section of the cerebrum can only be seen on dissection? | • Insula |
| What are the four major structures of the brain? | • Cerebrum • Cerebellum • Diencephalon • Brainstem |
| What are the four major types of neuroglia? | • Astrocytes • Oligodendrocytes • Microglia • Ependyma |
| What is the function of the hypothalamus? | • Regulates activities of the autonomic nervous system |
| Describe the spinal cord? | • Transmits sensory impulses • Composed of an inner gray matter/outer white matter • Located in the spinal cavity |
| What are the two types of nerve cells found in the nervous system? | • Neurons • Neuroglia |
| What are three types of neurosis? | • Phobia • Hysteria • Obsessive compulsive disorder |
| What does the central nervous system consist of? | • Brain • Spinal cord |
| What is Alzheimer’s disease? | • Progressive neurological disorder that causes memory loss and serious mental deterioration |
| What is cerebrospinal fluid? | • Colourless, shock-absorbing fluid that circulates around the brain and spinal cord |
| What is Parkinson disease? | • Progressive neurological disorder affecting the portion of the brain responsible for controlling movement |
| What is the brainstem composed of? | • Midbrain • Medulla • Pons |
| What is the function of the pons? | • Acts as a bridge connecting the midbrain to the medulla |
| What is the function of the thalamus? | • Receives all sensory stimuli except olfactory |
Created by:
Demitreia
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