Multiple Choice
Ultradian rhythms have a period of _____, while infradian rhythms have a period of _____.
A) less than one day; more than one day but less than one year
B) more than one day but less than one year; less than one day
C) one day; less than one day
D) less than one day; one day
Correct Answer:

Verified
Correct Answer:
Verified
Q10: Atonia is the:<br>A)absence of dreams.<br>B)inability to sleep.<br>C)deepest
Q11: Cataplexy is a sleep disorder in which:<br>A)one
Q12: REM (rapid eye movement) sleep occurs during:<br>A)N1
Q13: The suprachiasmatic nucleus is located in the:<br>A)optic
Q14: Rhythmicity in the suprachiasmatic nucleus likely:<br>A)is learned.<br>B)originated
Q16: Which of the following would be the
Q17: _ expose(s) individuals to artificial light and
Q18: Describe the activation-synthesis theory of dreaming.
Q19: What are Zeitgebers, and how do they
Q20: _ is responsible for the waking associated