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Quiz: The Impact of Sleep on Health, Memory and Learning

Master the science of sleep faster - reinforce what you learned in just 5 minutes.

Health mixed 8 Questions Video Quiz

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Q1 Beginner 1 pts

According to the video, which of the following is NOT a consequence of chronic sleep deprivation? Video Reference:
"The speaker explains the various negative health consequences of chronic sleep deprivation throughou..."

Increased risk of diabetes Weakened immune system Improved emotional stability Impaired cognitive performance

Q2 Intermediate 2 pts

The speaker explains that a lack of sleep before learning does what to the memory circuits of the brain? Video Reference:
"And without sleep, the memory circuits of the brain essentially become waterlogged, as it were, and ..."

Timestamp: 2:00

Makes them waterlogged so they can't absorb new memories Enhances their ability to form new connections Has no impact on memory formation Causes them to prune away old memories

Q3 Beginner 1 pts

In the study comparing sleep deprived and rested participants, what was the difference in ability to form new memories? Video Reference:
"And when you put those two groups head to head, what you find is a quite significant, 40-percent def..."

Timestamp: 3:00

40% deficit for the sleep deprived group No significant difference 20% improvement for the sleep deprived group 5% deficit for the sleep deprived group

Q4 Intermediate 2 pts

According to the video, is the following statement true or false? Deep sleep brainwaves act like a file-transfer mechanism to shift memories from short-term to long-term storage. Video Reference:
"And it's the combined quality of these deep-sleep brainwaves that acts like a file-transfer mechanis..."

Timestamp: 5:00

True

False

Q5 Advanced 3 pts

What does the video suggest about the relationship between sleep disruption and cognitive decline in aging and Alzheimer's? Video Reference:
"And it suggests that the disruption of deep sleep is an underappreciated factor that is contributing..."

Timestamp: 7:00

Select all correct answers

Disruption of deep sleep is an underappreciated contributing factor Sleep has no impact on cognitive decline Cognitive decline improves sleep quality Sleeping pills can effectively treat Alzheimer's

Q6 Beginner 1 pts

The speaker discusses a 'global experiment' involving sleep loss and daylight saving time. What happens to heart attack rates in the spring when we lose one hour of sleep? Video Reference:
"Now, in the spring, when we lose one hour of sleep, we see a subsequent 24-percent increase in heart..."

Timestamp: 9:00

24% increase No change 10% decrease 50% increase

Q7 Intermediate 2 pts

According to the video, is the following statement true or false? When we gain an hour of sleep in the fall daylight saving change, car crashes and suicides decrease. Video Reference:
"In the autumn, when we gain an hour of sleep, we see a 21-percent reduction in heart attacks. Isn't ..."

Timestamp: 9:30

True

False

Q8 Beginner 1 pts

What does the speaker compare natural killer cells to? Video Reference:
"They are very good at identifying dangerous, unwanted elements and eli......"

Timestamp: 10:30

Secret service agents of the immune system Soldiers in the body's army Construction workers that build immunity Janitors that clean up pathogens

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