first aid neurology pgs 451-

Question 1

what part of body drives circadian rhythm?

Answer 1

SCN of hypothalamus (suprachiasmatic nucleus)

“need sleep to be charismatic”

Question 2

physiology of circadian sleep….trigger?

Answer 2

less light –> SCN of hypothalamus –> Norepi release –> pineal gland –> melatonin
nocturnal release of ACTH, prolactin, NE, and melatonin

Question 3

what gland releases melatonin?

Answer 3

pineal gland

Question 4

REM freq at night

Answer 4

about every 90 min and duration increases towards the end of sleep

Question 5

how do alcohol, benzodiazepines, and barbituates affect sleep?

Answer 5

decrease amount of delta wave (N3) deep and REM sleep

lead to more lighter N1/N2 sleep

Question 6

treat sleep enuresis (bedwetting)?

Answer 6

desmopressin acetate (mimics ADH)

Question 7

treat night terrors/sleep walking?

Answer 7

benzodiazepines (less REM sleep so less dreams and more sleep so less night walking)

Question 8

input and destination for all hearing sensory ascending info

Answer 8

input to superior olivary nucleus and inferior colliculus of tectum
destination to auditory cortex of temporal lobe
MEDIAL = music

Question 9

limbic system

Answer 9

neuronal structures involved in emotion, long-term memory, olfaction, behavior modification, and ANS function
Structures = hippocampus, amygdala, fornix, mamillary bodies, and cingulate gyrus
5 Fs = feeding, fleeing, fighting, feeling, sex

Question 10

cerebellum

Answer 10

movement coordination, balance;