Which of the following is considered a likely cause of migraines?

Which of the following is considered a likely cause of migraines?
 
  a. diet
  b. poor visual acuity
  c. an underlying central nervous system disorder
  d. falling levels of acetylcholine

Question 2

Brain imaging studies show lower metabolic activity of the ______ in clinically depressed
   people.
 
  a. temporal lobe c. medulla
   b. prefrontal cortex d. hippocampus

Question 3

Which of the following is true of alcohol's effects?
 
  a. It encourages people to talk more openly and honestly.
  b. It lowers people's ability to envision the consequences of misbehavior.
  c. It directly increases people's sexual responsiveness.
  d. It makes it easier for people to sleep.

Question 4

In explaining gender identity disorder in males, one factor that both psychodynamic and
   learning theorists cite is ______.
 
  a. maternal hostility c. maternal absence
   b. paternal hostility d. paternal absence

Question 5

Obesity puts individuals at risk for which of the following?
 
  a. some forms of cancer c. liver disease
   b. Alzheimer's Disease d. Grave's Disease