Matthew Coulson
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Sleep lecture given by Dr Ian Morrison on 17/9/2018

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Matthew Coulson
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Sleep Physiology, Hypersomnolence, Parasomnias

Sleep Physiology, Hypersomnolence, Parasomnias

Question 1 of 18

1

Fill the blank space to complete the text.

In terms of sleeping, there are both REM and non-REM cycles. What does 'REM' stand for?

Explanation

Question 2 of 18

1

Which sleep type is most associated with dreaming?

Select one of the following:

  • Non-REM

  • REM

Explanation

Question 3 of 18

1

The average adult spends 75% of their sleep in REM cycles and 25% in non-REM cycles

Select one of the following:

  • True
  • False

Explanation

Question 4 of 18

1

Which type of sleep is similar to wakefulness?

Select one of the following:

  • Non-REM sleep

  • REM sleep

Explanation

Question 5 of 18

1

Which type of sleep is most important for protein synthesis, cell division and growth?

Select one of the following:

  • REM sleep

  • Non-REM sleep

Explanation

Question 6 of 18

1

Fill the blank space to complete the text.

Melatonin is one of the main regulators of the circadian rhythm (along with cortisol level and low body temperature). Where is melatonin produced?
The

Explanation

Question 7 of 18

1

Select from the dropdown lists to complete the text.

Light entrains the circadian rhythm in humans:
Retinal ( ganglion, bipolar, horizontal, amacrine ) cells project information to the ( Suprachiasmatic, Preoptic, Paraventricular, Arcuate nucleus ) nucleus in the hypothalamus to regulate sleep-wake cycles.

Explanation

Question 8 of 18

1

What is considered the most important stage of sleep, allowing the cerebral hemispheres to effectively 'rest'?

Select one of the following:

  • Light Non-REM sleep

  • Deep Non-REM sleep

  • REM sleep

Explanation

Question 9 of 18

1

A mid afternoon nap of 15 minutes is equivalent to 90 minutes overnight

Select one of the following:

  • True
  • False

Explanation

Question 10 of 18

1

Most studies suggest that 6-6.5 hours of sleep per night is acceptable for adults

Select one of the following:

  • True
  • False

Explanation

Question 11 of 18

1

Fill the blank space to complete the text.

is a sleep disorder that is characterized by excessive sleepiness, sleep attacks, sleep paralysis, hallucinations and, for some, sudden loss of muscle control

Explanation

Question 12 of 18

1

Fill the blank space to complete the text.

The episodes of sudden muscle tone loss that is associated with 70% of narcolepsy patients is known as

Explanation

Question 13 of 18

1

Cataplexy is a sudden loss of muscle tone in response to ...

Select one of the following:

  • An emotion such as fear, surprise or joy

  • A transient drop in blood pressure caused by activities such as standing up too quickly

  • Hallucinations that tend to occur spontaneously throughout the day

  • A sudden temperature drop

Explanation

Question 14 of 18

1

Narcolepsy with cataplexy has a known cause: a loss of cells in the brain that secrete a hormone responsible for wakefulness called ...

Select one of the following:

  • Hypocretin

  • Hippocretin

  • Melatonin

  • Hypotonin

Explanation

Question 15 of 18

1

Investigations for Narcolepsy:
: A comprehensive recording of the biophysiological changes that occur during a normal sleep duration
: Four 25 minute naps around 2 hours apart in order to test brain activity and eye movement
: Measures the levels of Hypocretin being produced by the brain

Drag and drop to complete the text.

    Overnight Polysomnography
    Multiple Sleep Latency Test
    Lumbar puncture

Explanation

Question 16 of 18

1

What is REM Behaviour Disorder (RBD)?

Select one of the following:

  • A disorder whereby people act out their dreams. The normal atonic nature of muscles during REM sleep is not present.

  • A disorder whereby people actively dream during the day. Like narcolepsy, this condition is also related to hypocretin levels in the brain.

  • A condition whereby an individual wakes up upon initiation of REM sleep, meaning they must sleep in smaller sections and can never get a full night's sleep.

Explanation

Question 17 of 18

1

Fill the blank space to complete the text.

Which hormone supplement can be given to REM Behaviour Disorder patients in attempt to improve their sleep?

Explanation

Question 18 of 18

1

Which of the following is the most commonly prescribed medication to treat Narcolepsy?

Select one of the following:

  • Modafinil

  • Sodium Oxybate

  • Fluoxetine

  • Amitriptyline

Explanation

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