During the process of labor, what needs to dilate to 10 centimeters (4.5 inches) in preparation of the baby's exit?
a. the cervix
b. the uterus
c. the fallopian tubes
d. the ovaries
A. The cervix needs to dilate.
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Recall that Roesch and Amirkham (1997) studied attributions for success and failure in athletes. Based on their findings, which of the following athletes would be most likely to make an external attribution for losing?
a. John, a tennis player new to the professional circuit b. Joe, a ten-year veteran of the San Francisco 49ers football team c. Karim, a rookie (i.e., new player) on an NBA basketball team d. Wayne, a hockey player whose skills have deteriorated due to injuries
Down's syndrome is caused by:
A) alcohol abuse by the mother at the time of conception. B) sex-linked chromosomal abnormalities. C) an extra chromosome on the 21st pair. D) drug abuse by the mother during pregnancy.