Physio psych 4 Question and answers
correctly solved 2025
The _____ carries information about the presence of light to the
suprachiasmatic nucleus to help regulate sleep-wake cycles.
a. geniculostriate pathway
b. retino-tectal-pulvinar pathway
c. chiasmatic pathway
d. retinohypothalamic pathway - correct answer d
What sleep disorder is characterized by uncontrollably falling asleep?
a. insomnia
b. sleep apnea
c. narcolepsy
d. cataplexy - correct answer c
A biological rhythm that occurs on a daily cycle is known as:
,a. ultradian.
b. infradian.
c. circannual.
d. circadian. - correct answer d
A bizarre syndrome, whereby an animal appears to act out its dreams while
asleep, is produced by a lesion of the:
a. basal forebrain.
b. median raphe.
c. subcoerulear nucleus.
d. medial pontine reticular formation. - correct answer c
During REM sleep, the electroencephalogram will show:
a. little to no activity.
b. bouts of high levels of activity interspersed with periods of quiet.
c. low-amplitude, high-frequency activity.
,d. high-amplitude, low-frequency activity. - correct answer c (low-amplitude,
high-frequency activity)
An environmental event that resets a biological rhythm is known as a:
a. biological synchronizer.
b. Zeitgeber.
c. Zeitgeist.
d. clock setter. - correct answer b (Zeitgeber)
What biological rhythm is displayed by the human female menstrual cycle,
which has an average length of 28 days?
a. infradian
b. ultradian
c. circadian
d. circannual - correct answer a (infradian)
What part of the brain is responsible for desynchronized EEG recordings?
, a. hypothalamus
b. reticular activating system
c. cerebellum
d. medial pontine reticular formation - correct answer b (reticular activating
system)
Atonia is exhibited in what stage of sleep?
a. stage 1
b. stage 2
c. slow-wave sleep
d. REM - correct answer d (REM)
How is rhythmic activity developed by suprachiasmatic cells?
a. It is learned after birth from environmental Zeitgebers.
b. It is learned in the womb from the mother's rhythm.
c. It is passed through genes.
correctly solved 2025
The _____ carries information about the presence of light to the
suprachiasmatic nucleus to help regulate sleep-wake cycles.
a. geniculostriate pathway
b. retino-tectal-pulvinar pathway
c. chiasmatic pathway
d. retinohypothalamic pathway - correct answer d
What sleep disorder is characterized by uncontrollably falling asleep?
a. insomnia
b. sleep apnea
c. narcolepsy
d. cataplexy - correct answer c
A biological rhythm that occurs on a daily cycle is known as:
,a. ultradian.
b. infradian.
c. circannual.
d. circadian. - correct answer d
A bizarre syndrome, whereby an animal appears to act out its dreams while
asleep, is produced by a lesion of the:
a. basal forebrain.
b. median raphe.
c. subcoerulear nucleus.
d. medial pontine reticular formation. - correct answer c
During REM sleep, the electroencephalogram will show:
a. little to no activity.
b. bouts of high levels of activity interspersed with periods of quiet.
c. low-amplitude, high-frequency activity.
,d. high-amplitude, low-frequency activity. - correct answer c (low-amplitude,
high-frequency activity)
An environmental event that resets a biological rhythm is known as a:
a. biological synchronizer.
b. Zeitgeber.
c. Zeitgeist.
d. clock setter. - correct answer b (Zeitgeber)
What biological rhythm is displayed by the human female menstrual cycle,
which has an average length of 28 days?
a. infradian
b. ultradian
c. circadian
d. circannual - correct answer a (infradian)
What part of the brain is responsible for desynchronized EEG recordings?
, a. hypothalamus
b. reticular activating system
c. cerebellum
d. medial pontine reticular formation - correct answer b (reticular activating
system)
Atonia is exhibited in what stage of sleep?
a. stage 1
b. stage 2
c. slow-wave sleep
d. REM - correct answer d (REM)
How is rhythmic activity developed by suprachiasmatic cells?
a. It is learned after birth from environmental Zeitgebers.
b. It is learned in the womb from the mother's rhythm.
c. It is passed through genes.
