UPDATED Actual Exam Questions and
CORRECT Answers
Sleep _________ of 1-2 hours results in a ____________ in immune response, and an
__________ risk of cancer and metastases - CORRECT ANSWER✔✔- reduction; decrease;
increase
69% of Americans suffer from ____________, caused by an average difference of at least one
hour between their __________ waking time and their ________ waking time - CORRECT
ANSWER✔✔- grogginess; natural; needed
Early morning grogginess is due to ______ levels of _____________ - CORRECT
ANSWER✔✔- high; melatonin
Sleep loss interferes with ________ - CORRECT ANSWER✔✔- learning
Sleep predicts how long you will ______ - CORRECT ANSWER✔✔- live
Sleep __________ memories - CORRECT ANSWER✔✔- consolidates
What are some causes of poor sleep and their consequences? - CORRECT ANSWER✔✔- •
increased sympathetic nervous system activity, resulting in poor sleep patterns
• insomnia triggers cortisol (stress hormone) release
• growth hormone surge stopped, preventing the lining of blood vessels from being repaired
50-70 million Americans are chronically sleep _____________ - CORRECT ANSWER✔✔-
deprived
80% of protein-coding genes have a ___________ rhythmic expression - CORRECT
ANSWER✔✔- circadian
, The ______ hormone peaks during sleep - CORRECT ANSWER✔✔- growth
Temperature is very ______ during sleep - CORRECT ANSWER✔✔- low
The ________ _______ (SCN) regulates rhythms in the brain - CORRECT ANSWER✔✔-
suprachiasmatic nucleus
If the SCN is _______, an individual's temperature may fluctuate a lot during sleep because
there is an issue with ______________ - CORRECT ANSWER✔✔- damaged;
thermoregulation
Light ________ melatonin production because it inhibits the _______ gland, which produces
melatonin - CORRECT ANSWER✔✔- inhibits; pineal
_______ production begins in the ________, peaks at _______, and is low during the
_______ - CORRECT ANSWER✔✔- Melatonin; evening; night; day
Melatonin ________ grogginess - CORRECT ANSWER✔✔- controls
_______ inhibits melatonin - CORRECT ANSWER✔✔- Blue light
Melatonin levels can be ________ to different cycles depending on the ______________
where you live (time zone) - CORRECT ANSWER✔✔- synchronized; light-dark cycles
TV, computers, and phones emit a lot of __________ which _______ melatonin and causes
___________. - CORRECT ANSWER✔✔- blue light; suppresses; insomnia
_______ glasses block blue light, but don't ________ - CORRECT ANSWER✔✔- Amber;
do much
______ do not have a __________ surge until much _______ at night than adults, hence
difference sleeping patterns - CORRECT ANSWER✔✔- Teens; melatonin; later