Someone in a(n) ____ state alternates between periods of sleep and moderate arousal, although even during the more aroused state, the person shows no awareness of surroundings and no purposeful behavior.
a. unconscious
b. minimally conscious
c. coma
d. vegetative
Question 2
The pineal gland releases the ____ hormone, which influences both circadian and circannual rhythms.
a. androgen
b. melanopsin
c. melatonin
d. estrogen