A drug that blocks the effect of a neurotransmitter is called a(n):

Which of the following pregnant women has an increased risk of having a child with spina bifida?

a. Elizabeth, who is under a great deal of stress c. Eleanor, who has rubella b. Elaine, who is a heavy drinker d. Ellen, whose diet is low in folic acid

Controlled trials of psychological treatment for conversion disorder

a) indicate that supportive psychotherapy reduces patients concerns about their bodily problems. b) suggest that biofeedback is effective. c) indicate that relaxation training is highly effective in reducing symptoms. d) have not yet been conducted.