In 2011, approximately how many American children between the ages of 4 and 17 years were diagnosed with attention deficit hyperactivity disorder (ADHD)?
a. less than 1 percent
b. about 7-8 percent
c. about 11 percent
d. about 15 percent
Question 2
The use of medications for treating autism spectrum disorder
a. has been more effective than behavioral treatments.
b. is effective with low-functioning children, but has little effect on high-functioning children.
c. has not yet been evaluated scientifically due to ethical concerns.
d. has been ineffective.
McBurney’s point is the common location of pain in children and adolescents with appendicitis.
The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens.
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