If an artist were to blend red, green, and blue
lights together by focusing lights of those three colors on one common spot, the result would look _________.
a) like nonspectral colors
b) black
c) like white light
d) complementary
ANS: c
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Difference in mirror neuron activity in the right temporoparietal area of the brain may explain the lack of theory of mind that characterizes children with
a. ADHD. b. Down syndrome. c. PKU. d. autism.
According to the two factor theory of fear, avoidance behaviors are maintained by
a. positive reinforcement. b. negative reinforcement. c. vicarious consequences. d. social learning.
Which STD puts girls at risk of cervical cancer?
a. chlamydia b. genital warts c. genital herpes d. syphilis
Ellen, a pregnant woman, goes for her routine prenatal checkup. Her doctors inform her that the fetus is healthy. It is very active and has definite sleep-wake patterns and a favorite position in the womb. They also tell her that its eyebrows and eyelashes are starting to grow and a woolly hair is covering its body. On her way back home, she meets with an accident and is rushed to a hospital. At the hospital, she goes into labor and gives birth to a baby who dies within a few hours. Doctors inform her that the baby's respiratory system was not adequately formed to sustain life in an external environment. Identify the gestational age of Ellen's baby.
A. 5 months B. 8 months C. 6 weeks D. 3 months