Which of the following statements is true about the effects of lead exposure in childhood?
A) A stressed, disorganized home life seems to heighten lead-induced damage.
B) Investigators agree that the greatest period of vulnerability is middle childhood.
C) Children given drugs to induce excretion of lead (chelation) improve dramatically.
D) Negative cognitive consequences are not evident when the level of lead exposure is below 10 µg/dL.
A
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Lisa has been invited to a party. Immediately after receiving the invitation, she meets with a group of friends to discuss what they plan to wear to the party. Lisa then makes the decision on what she will wear. Lisa's party dressing behavior demonstrates
a. obedience to an authority. c. a social decision scheme. b. conformity. d. groupthink.
Natalya has received phone call that her child is sick at school and needs to be picked up. Natalya is suddenly very flustered as she struggles to think of how she is going to get coverage at work, get to her child's school,
and perhaps make an appointment with her doctor, all in just a few minutes. The stress that Natalya feels to this challenging set of circumstances could best be described as __________ stress. a. acute b. intrinsic c. chronic d. extrinsic
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Which of the following is true about event-related potential (ERP)?
A. ERPs involve injecting the participant or patient with a harmless radioactive form of oxygen. B. ERPs provide excellent temporal resolution but poor spatial resolution. C. ERPs provide a much better measure of where brain activity occurs than EEG does. D. ERPs use magnetic fields to produce very finely detailed images of the structure of the brain and other soft tissues.