12
Periodic Limb Movement Disorder and Restless Legs Syndrome
CHARLOTTE FROMER
Note: This chapter corresponds to Chapter 15 in Fundamentals of Sleep Technology, 2nd edition.
1. Restless legs syndrome (RLS) is also called:
A. Willis-Ekbom disease
B. Periodic limb movement disorder
C. Jumping Frenchmen of Maine disease
D. Clonic activity
2. The greatest impact of RLS occurs in the:
A. Upper extremities
B. Last REM episode of the sleep period
C. First half of the night
D. Early morning hours
3. The clinical criteria for the diagnosis of RLS are often represented by the acronym URGE. The “R” in URGE stands for:
A. REM sleep, when RLS is most prominent
B. Restraint, which relieves the symptoms of RLS
C. Reflection, because the movements in one limb are always reflected in the other
D. Rest, which worsens the urge to move
4. Periodic limb movements in sleep (PLMS) are defined by the American Academy of Sleep Medicine (AASM) 2012 Scoring Manual as bursts of activity from the:
A. Anterior tibialis muscle
B. Brachioradialis muscle
C. Gluteus maximus muscle
D. Movement detectors at the ankle
5. Diagnosis of RLS:
A. Is based on 5 or more periodic limb movements per hour of sleep
B. Is based on 15 or more periodic limb movements per hour of sleep
C. Is based on 15 or more periodic limb movements per hour of sleep with arousals
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