dorsal recumbent - Answer a body position in which a person is flat on her back with her knees flexed and her feet flat on the bed.
lithotomy - Answer a body position in which a person lies on her back with her hips at the edge of an exam table; legs are flexed, and feet are in padded stirrups.
knee-chest - Answer a body position in which the person is lying on her abdomen with her knees pulled towards the abdomen and her legs separated; arms are pulled up and flexed, and the head is turned to one side.
circadian rhythm - Answer the 24-hour day-night cycle.
insomnia - Answer the inability to fall asleep or remain asleep.
occupied bed - Answer a bed made while a person is in the bed.
unoccupied bed - Answer a bed made while no person is in the bed.
closed bed - Answer a bed completely made with the bedspread and blankets in place.
open bed - Answer a bed made with linen folded down to the foot of the bed.
surgical bed - Answer a bed made to accept a resident who is returning to bed on a stretcher.