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Chapter 41 Neuro
Adult Health II Terminology
Term | Definition |
---|---|
Anosmia | An inability to smell |
Aphasia | Defective or absent language function |
Ataxia | Lack of coordination |
Decerebrate Posturing | The neck is extended, jaw clenched, arms pronated, extended, and close to the sides; legs extended straight out and feet plantar flexed. |
Decerebrate Posturing | Occurs with problems or lesions on midbrain, pons, or diencephalon. |
Decorticate Posturing | The upper arms are close to the sides, the elbows, wrists, and fingers are flexed; legs extended with internal rotation, feet plantar flexed. |
Decorticate Posturing | Occurs with problems or lesions on the corticospinal tracts or cerebral hemisphere. |
Diaphoresis | Excessive sweating |
Dysarthria | Difficulty speaking |
Dysphagia | Difficulty swollowing |
Dysphonia | Changes in tone of voice |
Fasciculations | Twitches (irregular movements) |
Flaccidity | Decrease in muscle tone |
Kinesthesia | Sense of position |
Nystagmus | Involuntary eye movement (may be seen in strokes) |
Ptosis | Drooping eyelids |
Spasticity | Muscle tone is increasing |
Tremors | Rhythmic movement |