Circadian Rhythms and Sleep

Question 1

REM sleep

Answer 1

active brain, paralyzed body

Question 2

NREM

Answer 2

quiescent brain, movable body

Question 3

over the course of the evening, the amount of time you spend in REM _______

Answer 3

increases

Question 4

_____ sleep happens before ______

Answer 4

NREM, REM

Question 5

REM has ____ stage(s)

Answer 5

one

Question 6

NREM has ____ stage(s)

Answer 6

many

Question 7

NREM stands for ?

Answer 7

non-rapid eye movement

Question 8

is REM or NREM deeper

Answer 8

REM

Question 9

homeostatic drive causes you to sleep when?

Answer 9

whenever you’re tired

Question 10

your circadian drive causes you to sleep when?

Answer 10

at specific times (nighttime)

Question 11

EMG measures ______ , while EOG measures ______

Answer 11

muscle movement, eye movement

Question 12

the ______ is necessary and sufficient for circadian rhythms

Answer 12

SEN

Question 13

estrogen has a _________ feedback loop with the anterior pituitary

Answer 13

negative

Question 14

inhibin comes from the ______ cells and inhibits ______ more than _____, as well as the anterior pituitary

Answer 14

granulosa cells, FSH, LH

Question 15

LH will cause _____ to rise

Answer 15

estrogen

Question 16

FSH will cause _____ to rise

Answer 16

estrogen and inhibin

Question 17

at the “switch” phase, estrogen begins exerting ______ feedback on the anterior pituitary, causing FSH and LH to _____

Answer 17

positive, rise

Question 18

how long does the switch last

Answer 18

2 days

Question 19

after the switch, in the ____ phase, estrogen reverts to exerting a ______ feedback effect on the anterior pituitary

Answer 19

luteal, negative

Question 20

the ______ surge triggers ovulation

Answer 20

LH

Question 21

the LH surge triggers

Answer 21

ovulation