35
Actigraphy
KAREN I. SMITH
NOTE: This chapter corresponds to Chapter 41 in Fundamentals of Sleep Technology, 2nd edition.
1. Actigraphy is the:
A. Measurement and quantification of REM movements
B. Recording and analysis of the nondominant wrist movements
C. Recording of leg movements
D. Home sleep testing
2. Actigraphy can collect data:
A. For short periods of time
B. For extended periods of time
C. In the patient’s natural environment
D. For all of the above
3. Actigraphy is indicated to assist with the evaluation and treatment of all circadian rhythm sleep disorders. True or false?
4. What does an actigraph use to measure activity levels?
A. Gold cup electrode
B. Inductance plethysmography
C. Pressure cannula
D. Piezoelectric accelerometer
5. Actigraphy is best able to provide an accurate estimate of sleep–wake patterns in which of the following populations?
A. Toddlers and young children
B. Adults with normal sleep
C. Adults with insomnia
D. Hospitalized patients
6. Actigraphy can substitute for polysomnography in diagnosing patients with periodic limb movement disorder (PLMD). True or false?
7. Sleep efficiency (SE) in actigraphy should only be calculated if a (an) ______________ is included.
A. Video recording
B. Sleep diary
C. Bed partner interview
D. Event button
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