Humans show which pattern of blood flow and mental activity ...

[Wadzanai]

Humans show which pattern of blood flow and mental activity during REM sleep?
 
  a. Cortical blood flow is reduced during REM sleep as blood is shunted to the genitals.
  b. Cerebral blood flow is low in the primary visual cortex.
  c. Cerebral blood flow is very low during color dreaming.
  d. Cerebral blood flow is high in the visual association cortex and low in the frontal cortex.
  e. Cerebral blood flow is low in the primary auditory cortex.

Question 2

The predictable changes in blood flow to the male genitals that occur during ________ can be a useful clinical indicator of ________.
 
  a. non-REM sleep; narcolepsy
  b. the day hours; hypertension
  c. REM sleep; impotence
  d. slow-wave sleep; cardiac failure
  e. the day hours; cocaine abuse

[mohan]

Answer to Question 1

Answer: d. Cerebral blood flow is high in the visual association cortex and low in the frontal cortex.

Answer to Question 2

Answer: c. REM sleep; impotence

[Wadzanai]

Thank you!

[mohan]

Happy to help