Since 1915 the maternal mortality rate has dropped from nearly 608 deaths per 100,000 live births to approximately ________ deaths per 100,000 live births in 2003.
A. 42
B. 28
C. 6
D. 12
Answer: D
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Zimbardo, in his study of college students who were either prisoners or guards in a simulated prison, concluded that the participants felt compelled to act consistently with their roles.
a. True b. False
On average, those with the short form of the ____ transporter gene and a history of stressful experiences reported more than average symptoms of depression
a. acetylcholine b. dopamine c. serotonin d. calcium
Peterson and Peterson studied how well participants can remember groups of three letters (like BRT, QSD) after various delays. They found that participants remembered an average of 80 percent of the groups after 3 seconds but only 10 percent after 18 seconds. They hypothesized that this decrease in performance was due to ___________, but later research showed that it was actually due to ___________.
A. interference; decay B. priming; interference C. decay; interference D. decay; lack of rehearsal
Which is not one of the basic kinds of taste buds?
(a) salt (b) sour (c) texture (d) bitter (e) sweet