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174. Circadian Rhythm And Your Brains Clock
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) Circadian Rhythm keeps your body in sync with the cycles of day and night.
A
True
B
False
2) Our body's internal time keeping device is called International rhythm or Circadian Rhythm.
A
International rhythm
B
Circadian Rhythm
3) Most of our body's internal systems are calibrated or controlled by the appearance and disappearance of natural sunlight.
A
controlled by the appearance and disappearance of natural sunlight
B
calibrated
4) The main regulator of Circadian Rhythm is found in the brain. More specifically, the hypothalamus or thalamus.
A
thalamus
B
hypothalamus
5) In the morning when our optic nerve or vagus nerve sense light it sends signals to the brain to begin waking up.
A
optic nerve
B
vagus nerve
6) Upon first light, the brain starts sending signals to the body to raise our temperature, heart rate and blood pressure.
A
True
B
False
7) Once the brain starts to “wake up” the body. It also shuts off the sleep hormones such as testosterone or melatonin.
A
testosterone
B
melatonin
8) Scientific research shows that we are at our “best” midmorning or between 2-3 pm.
A
between 2-3 pm.
B
midmorning
9) Scientists have proven that sleep deprivation or afternoon naps are actually beneficial to us.
A
sleep deprivation
B
afternoon naps
10) Disruptions to our natural circadian or calibrated rhythms may lead to many health issues.
A
calibrated
B
circadian
*select an answer for all questions
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