Because Greg's Hands Shake, His Limbs Often Seem Frozen in Position

question 173

True/False

Because Greg's hands shake, his limbs often seem frozen in position, and he moves sluggishly with a stooped posture and shuffling walk, he likely has Parkinson's disease.

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Definitions:

Circadian Process

The biological mechanisms that control the internal body clock, regulating sleep-wake cycles and other physiological patterns.

Sleep Deprivation

The condition of not having enough sleep, which can lead to various negative health and cognitive effects.

Inverted-U Function

A theory suggesting that performance increases with arousal up to an optimal point, beyond which further increases in arousal can lead to decreased performance.

Arousal

A physiological and psychological state of being awoken or stimulated to action.