II.J Sleep stages and patterns

Question 1

Typically the latency to REM is:
A) 60 min
B) 120 min
C) 90 min
D) 30 min

Answer 1

90 min

Question 2

HYPNAGOGIC HYPERSYNCHRONY
A) can be present during arousal state transitions, both prior to sleep and onset and following arousal
B) infrequently associated with minimal brain dysfunction
C) is increasingly rare above the age of 5
D) is rarely present in 3 month old infants

Answer 2

can be present during arousal state transitions, both prior to sleep and onset and following arousal

Question 3

STAGE N3 SLEEP
A) Positive occipital transients
B) No K-complexes
C) Rapid eye movement
D) 30% delta activity

Answer 3

30% delta activity

Question 4

NARCOLEPSY
A) Decreased REM sleep
B) Continuous REM sleep
C) Absent REM sleep
D) Sleep-onset REM

Answer 4

Sleep-onset REM

Question 5

SLOW LATERAL EYE MOVEMENT
A) Stage 2 sleep
B) Awake
C) Drowsy
D) REM

Answer 5

Drowsy

Question 6

EEG signs of normal drowsiness [NREM Stage 1 (N1) sleep] include all of the following except:
A) increased beta activity
B) alpha activity moves anteriorly
C) bursts of generalized theta activity
D) left anterior temporal delta activity

Answer 6

left anterior temporal delta activity

Question 7

Which of the following is characteristic of active sleep in a neonate?
A) Regular respirations
B) Frequent movements
C) Trace alternant
D) Absence of eye movements

Answer 7

Frequent movements

Question 8

This wave form is caused by an arousal
A) Delta Waves
B) K complexes
C) Sleep Spindles
D) Wickets

Answer 8

K complexes

Question 9

REM onset occurs
A) between N2 and N3
B) after age 17
C) 30 minutes after sleep onset
D) 90 minutes after sleep onset

Answer 9

90 minutes after sleep onset.

Question 10

Stage N2 (stage 2) sleep is characterized by the presence of
A) delta waves
B) sleep spindles
C) rapid eye movement
D) POSTS

Answer 10

sleep spindles.

Question 11

What waveform is seen in stage 2 sleep and during arousals, and contain 3 components: sharp, slow and fast?
A) Spindles
B) Vertex wave
C) K Complex
D) BETS

Answer 11

K Complex

Question 12

NREM Stage 1 (N1) sleep is characterized by all of the following except:
A) vertex waves
B) slow rolling eye movements
C) sleep spindles
D) dropout of alpha rhythm

Answer 12

sleep spindles

Question 13

Sharp waves located at the vertex first indicate what state?
A) Awake
B) Stage 2 Sleep
C) REM
D) Stage 1 Sleep

Answer 13

Stage 1 Sleep

Question 14

Low amplitude 11-14 Hz, 1-2 sec duration, maximal in central regions:
A) V-waves
B) 14 & 6 postive spikes
C) hypnagogic hypersynchrony
D) Sleep spindles

Answer 14

Sleep spindles

Question 15

Sleep spindles may be more irregular or of lower voltage in:
A) females
B) elderly patients
C) teenagers
D) stage II sleep

Answer 15

elderly patients.

Question 16

Small Sharp Spikes (SSS
A) Stage I-II sleep
B) Awake
C) Drowsy
D) REM sleep

Answer 16

Stage I-II sleep

Question 17

At what age range is hypnagogic hypersynchrony most prominent?
A) 0-12 months
B) 65-80 years old
C) 2-6 years old
D) 1-2 years old

Answer 17

2-6 years old

Question 18

What is the most common frequency of sleep spindles?
A) 12 Hz
B) 14 Hz
C) 5 Hz
D) 10 Hz

Answer 18

14 Hz

Question 19

VERTEX WAVES
A) Central
B) Frontal
C) Occipital
D) Temporal

Answer 19

Central

Question 20

The EEG finding during REM sleep:
A) POSTS
B) V-waves
C) Saw tooth waves
D) Spindles

Answer 20

Saw tooth waves

Question 21

These sharply contoured, surface positive transients typically occur in runs of 4-5 Hz in the occipital regions during N1 (drowsiness) and persist into N2 (stage II) sleep but usually disappear in subsequent stages:
A) Wickets
B) POSTS
C) PSWY
D) Lambda

Answer 21

POSTS