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Flashcards in Self Questions Final Deck (27)
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0
Q

Sleep is divided into stages based on what?

A

– electroencephalography (EEG)
– electro-occulogram (EOG)
– electromyogram (EMG)

1
Q

Sleep is a behavioral state that differs from wakefulness by?

A

Readily reversible loss of reactivity to an event in one’s environment

2
Q

(light) theta, delta (low amplitude) horizontal eye

A

Non REM stage 1

3
Q

(light) theta, delta, sleep spindles, K complexes

A

Non REM stage 2

4
Q

(deep) high amplitude delta (20-50%)

A

Non REM stage 3

5
Q

(deep) high amplitude delta (>50%)

A

Non REM stage 4

6
Q

Lesions in NTS produce?

A

cortical desynchronization (waking pattern of EEG)

7
Q

Direct connections between NTS & majorareas of the limbic system exist where?

A

(ant. thalamus,hypothalamus, amygdala)

8
Q

serotonin rich raphe nucleus produces?

A

Insomnia

9
Q

What is a melatonin precursor?

A

Serotonin

10
Q

what is highly concentrated in the preoptic nucleus and induces both SWS and REM sleep?

A

Prostaglandin D2

11
Q

Sleep spindles and delta waves are physiologic events involving what neurons?

A

GABAergic neurons

12
Q

During REM sleep what is associated with many

phasic events such as rapid eye movements,changes in respiration, heart rate, muscle twitches, and dreaming?

A

pontine geniculate occipital spikes (PGO)

13
Q

Many antidepressants are REM (suppressors/depressors)?

A

Supressors

14
Q

Rheobase is what % greater in REM sleep?

A

30%

15
Q

Characterized by bursts of excessive limb and body movements during REM sleep?

A

REM behavior disorder

16
Q

Increasing sleep
A. Increases leptin, decreases ghrelin
B. Decreases leptin, increases ghrelin

A

A. Increases leptin, decreases ghrelin

17
Q

Uncontrolled excessive activity of either part or all of the CNS?

A

Electrical storm

18
Q

Termination of a seizure is typically caused by?

A

Neuronal fatigue

19
Q
• phenobarbital 
• dilantin 
• tegratol 
• depekene (Valproic Acid)
Are all used to treat?
A

Epilepsy

20
Q

During treatment for epilepsy, what is removed?

A

epileptic foci

21
Q

Ghrelin is from?

A

GI tract

22
Q

Leptin is from where?

A

Adipocytes

23
Q
Which is considered a mild mental illness?
A. dementia
B. Bipolar disorder
C. obsessive-compulsive personality
D. anxiety disorders
A

C. obsessive-compulsive personality

24
Q

What does Schizophrenia mean

A

Means shattered mind

25
Q

Concordance in dizygotic twins for schizophrenia is what percent?

A

10%

26
Q

What is the incidence and average age of onset for unipolar depression?

A

Incidence 5%

Age of onset - 30years