Ultrasound allows physicians to ______.
A. analyze the fetus' genotype
B. administer hormones to the developing fetus
C. diagnose most chromosomal disorders
D. determine the sex of the fetus
Answer: D
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A wrestler gets poked in the eye. His color vision will be most affected if the poke damages the:
A. lens B. rods C. cones D. cornea
Researchers have suggested that people can be sorted into __________ according to their preferred patterns of sleep and wakefulness
FIll in the blank with correct word.
Amir loves to build sandcastles. After he completes his sandcastle he knocks it down and then rebuilds another one in its place. Amir's sand play is an example of ___________ play
a. functional c. social b. constructive d. parallel
Which of the following is linked to the poor performance of American children in math and science as compared to Asian children?
A. Asian teachers spend less time teaching math than American teachers do. B. Asian parents have much lower expectations for their children's education and achievement than American parents do. C. American parents are more likely to believe that their children's math achievement is due to innate ability. D. American parents are more likely to say that their children's math achievement is the consequence of effort and training.