Explain how the area postrema may play a role in minimizing poison toxicity
What will be an ideal response?
Answer: Because the blood-brain barrier is weak near this structure, toxins in blood can stimulate this brain region to cause emesis, which would void the stomach and in turn may reduce the total amount of toxicity to the organism.
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When working with a psychotherapy client who is from a different culture, Dr. Johnson uses her knowledge of the person's culture and ethnicity in working with the client, but is careful not to over-generalize and blindly apply her stereotypes. Which of the following labels best describes Dr. Johnson?
a. Dr. Johnson appears to be culturally insensitive. b. Dr. Johnson appears to be culturally skilled. c. Dr. Johnson appears to be ethnically diverse. d. Dr. Johnson appears to be an eclectic therapist
Psychophysics is a branch of psychology that studies
a. the relationship between the disciplines of physics and psychology b. the brain as a physical object c. the relation between a physical stimulus and the sensory experience it ultimately gives rise to d. the role of the autonomic nervous system e. the physical basis of motivation, emotion, and other mental activity