Use the following to answer questions :
Refer to the figure below.

-The appearance of vertex spikes characterizes the transition from a
A) waking stage to a light sleep.
B) light sleep to a moderately heavy sleep.
C) heavy sleep to a state of vivid dreaming.
D) state of disordered dreaming to a light sleep.

Question

Use the following to answer questions :
Refer to the figure below.
 
-The appearance of vertex spikes characterizes the transition from a
A) waking stage to a light sleep. 
B) light sleep to a moderately heavy sleep. 
C) heavy sleep to a state of vivid dreaming. 
D) state of disordered dreaming to a light sleep.

Quizplus · Accepted Answer

The appearance of vertex spikes characterizes the transition from a light sleep to a moderately heavy sleep.

Use the Following to Answer Questions