Which of the following statements is true of stage 4 sleep? A) ...

[amal]

Which of the following statements is true of stage 4 sleep?
 
  A) It produces low-amplitude brain waves.
  B) It is the lightest stage of sleep.
  C) During stage 4 sleep, the delta waves produced by the brain slow to about 0.5 to 2 cycles per second.
  D) During stage 4 sleep, the delta waves produced by the brain have a frequency of 8 to 13 cycles per second.

Question 2

People with higher levels of self-efficacy are more likely to:
 
  A) gain weight.
  B) have irrational beliefs.
  C) control their alcohol intake.
  D) have high levels of noradrenaline.

[leahchrapun]

Answer to Question 1

C

Answer to Question 2

C

[amal]

Thanks for the timely response, appreciate it

[Jossy]

Wow, this really help