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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 |
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