Deck 15: A: Focus on Improving Your Sleep

Question 1

A person's 24-hour cycle of sleeping,waking and performing daily activities is his or her _____________.

A)daily cycle
B)seasonal rhythm
C)circadian rhythm
D)habitual behaviour

Answer 1

C

Question 2

During which stage of sleep does a person disengage from the environment?

A)1
B)2
C)3
D)4

Answer 2

B

Question 3

Overweight and obese individuals may be more prone to the breathing-related sleep disorder known as ________________.

A)asthma
B)sleep apnea
C)COPD
D)hypertension

Answer 3

B

Question 4

Vijay often tosses and turns,unable to sleep for an hour after he goes to bed.Which of the following will help change this pattern and allow him to fall asleep faster?

A)Getting out of bed, exercising vigorously and taking a warm shower
B)Staying in bed and checking the clock every 15 minutes
C)Staying in bed and using his laptop to check out his friends' Facebook updates
D)Getting out of bed after 20 minutes and doing something relaxing until he feels sleepy

Question 5

Sean becomes very sleepy by late afternoon most days and thinks he should make time to fit in a nap.Before including a daily nap in his schedule,he should consider which of the following to ensure that he actually benefits from it?

A)The time of day and length of the nap
B)His need for caffeine in the afternoon
C)His accumulated sleep debt
D)His body weight and tendency to snore

Question 6

What role does exposure to sunlight during the day play in improving sleep?

A)It prevents depression.
B)It helps a person absorb vitamins.
C)It helps to regulate the circadian rhythm.
D)It discourages napping during the day.

Question 7

Zack was diagnosed with obstructive sleep apnea (OSA).His doctor may exercise as part of his treatment regimen because _________________________.

A)greater physical endurance will help in fighting his condition
B)losing weight will decrease his risk of developing central sleep apnea
C)losing weight may cure his OSA completely
D)he will have more energy during the day to combat his usual sleepiness

Question 8

Individuals with narcolepsy have a reduced number of nerve cells in the brain that contain which substance?

A)ACTH
B)melatonin
C)hypocretin
D)melanin

Question 9

Justin often binge drinks on the weekends.This behaviour puts him at risk for a dangerous sleep disorder in which the brain and the respiratory muscles do not communicate properly known as ________________.

A)central sleep apnea
B)obstructive sleep apnea
C)narcolepsy
D)unconsciousness

Question 10

After working on a class project all week and only sleeping about four hours per night,Courtney is _____________________.

A)compromising her immunity
B)improving her productivity
C)getting an adequate amount of sleep for the needs of her body
D)increasing her ability to handle sleep deprivation

Question 11

When you feel groggy and disoriented after a long nap,you are experiencing _________________.

A)sleep apnea
B)narcolepsy
C)insomnia
D)sleep inertia

Question 12

Due to her job,Jessica sleeps 5 o 6 hours per night no weekends.Which of the following is the best strategy for her to resolve her sleep debt?

A)She can't make up for lost sleep.
B)She can sleep 12 hours one night per week and 6 to 7 hours the other nights
C)She can readjust her sleep needs by sleeping 5 to 6 hours every night
D)She can sleep 9 hours per night Monday night through Friday night

Question 13

Stage 3 is called slow-wave sleep because _____________________.

A)there is slow eye movement during this stage
B)this is the deepest stage of sleep
C)the brain generates slow delta waves
D)it is the stage during which dreams occur

Question 14

Which of the following factors determine a person's sleep needs?

A)caffeine intake
B)heredity
C)gender and health status
D)cumulative sleep debt

Question 15

In preparation for his exam,Juan plans to stay up all night studying.According to research this strategy will likely result in ___________________.

A)Improved memory in general
B)Reduced cognitive ability
C)Increased short-term memory only
D)No significant effects if it's only one night

Question 16

Sleep disorders can be diagnosed through a(n)___________________.

A)clinical sleep study
B)physical exam and blood tests
C)survey of sleep habits
D)evaluation of all daily activities

Question 17

During REM sleep ______________________.

A)the body moves around a lot
B)the brain processes and consolidates information
C)body temperature drops
D)muscles are contracted

Question 18

The hormone,released by the pineal gland,that causes drowsiness is ______________.

A)growth hormone
B)melatonin
C)melanin
D)insulin

Question 19

The disruption of which factor results in jet lag?

A)melatonin level
B)natural light
C)circadian rhythm
D)blood glucose level

Question 20

The portion of the brain considered to be the "master mind" that only rests during sleep is the ____________.

A)cerebral cortex
B)cerebrum
C)Brain stem
D)midbrain

Question 21

Explain the four stages of NREM sleep.

Question 22

Ty works two jobs and attends college part-time.He averages 5 hours of sleep per night most nights of the week.What are the health risks of his sleep deprivation?

Question 23

Tracy pulls "all-nighters" during finals week.Explain why this could negatively impact her grades.