Which of the following is true of the placenta?
A) It is connected to the mother by blood vessels in the uterine wall.
B) Its primary purpose is to produce androgens.
C) It is also referred to as the amniotic sac.
D) It allows the maternal and fetal bloodstreams to mix inside the womb.
A
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Which of the following is the best example of the term "stereotype threat"?
a. A teenage girl realizes that she does not need to conform to the North American standards of beauty. b. A teenage boy worries that he won't be able to take good care of his infant niece because his friends recently told him that boys have no clue how to handle babies. c. A male college graduate says he knows that women can be good at math, but he doesn't really believe this. d. When making judgments about an acquaintance, a female college graduate remembers more gender-consistent information than gender-inconsistent information.
Stefania, the woman who spent 130 days underground, had a difficult time:
A. estimating the passage of time B. keeping physically fit C. being away from her family D. with concentration near the end of her ordeal
Child A has two large X-shaped chromosomes (XX), and Child B has one large X-shaped chromosome and one much smaller Y-shaped chromosome (XY). Child A is ______ and Child B is ______.
A. female; male B. male; female C. an identical twin; a fraternal twin D. a fraternal twin; an identical twin
People in today's organizations are too busy to participate in decisions affecting them and would rather be told what to do.
Answer the following statement true (T) or false (F)