rhythms questions unlearn

Question 1

Which of the following is true about the sleep-wake cycle?

Answer 1

BThe sleep-wake cycle repeats after 24 hours.

Question 2

Your body temperature changes throughout the day and night, on a regular cycle. Body temperature is lowest at 4:30
peaks at 6pm and drops down again by 4:30 the next night. Is this an example of a circadian rhythm?

Answer 2

AYes, because the cycle takes 24 hours.

Question 3

When is body temperature lowest

Answer 3

4:30 am

Question 4

When is body temperature highest ?

Answer 4

6pm

Question 5

Which of the following statements correctly describe circadian rhythms

Answer 5

CThey are biological rhythms that repeat every 24 hours.

EExamples include the sleep-wake cycle and variations in body temperature.

Question 6

Which of the following statements correctly describes a sleep-wake cycle?

Answer 6

AAt 7 am, we wake up.

CAt 11 am, we feel most alert.

EIn the afternoon, we have a dip in alertness.

FAt 11 pm, we fall asleep.

HAt 2 am, we feel least alert.

Question 7

Which of the following is an ultradian rhythm?

Answer 7

CThe stages of sleep

DAppetite

Question 8

Which of the following statements is true about ultradian rhythms?

Answer 8

AThey are biological rhythms that repeat more than once every 24 hours.

Question 9

During this stage of sleep, our eyes move rapidly and our brain is active.

Answer 9

Rem

Question 10

During this stage of sleep our heart rate starts to slow down and our temperature starts to drop.

Answer 10

Stage 2

Question 11

During this stage of sleep, we fall into a deeper and deeper sleep.

Answer 11

Stage 3+4

Question 12

During this stage of sleep, we are just starting to fall asleep and can be easily woken up.

Answer 12

Stage 1

Question 13

Which of the following are correct about the basic rest activity cycle?

Answer 13

COne cycle of the basic rest activity cycle (BRAC) lasts 90 minutes.

AThe basic rest activity cycle (BRAC) is an ultradian rhythm.

Question 14

Which of the following is true of the basic rest activity cycle (BRAC)?

Answer 14

AIt is an ultradian rhythm of alertness.

D1 cycle lasts 90 minutes.

FIt helps to explain why professional musicians and athletes break up their practice into short segments.

Question 15

Tucker et al. didn’t manipulate any independent variables. Instead, they carefully controlled extraneous variables, like the levels of light and the amount of noise.

Answer 15

CControlled observation

Question 16

Which of the following statements are true about Tucker et al.’s research?

Answer 16

FThe study showed that ultradian rhythms can vary between different people.

BTucker et al. conducted a controlled observation into people’s stages of sleep.

CTucker et al. found that there were individual differences in the amount of time people spent in each sleep stage.

DTucker et al. found that the biggest individual difference in amount spent in different sleep stages was during deep sleep.