Christopher Eppig and his colleagues found that the brain requires a great deal of the body's physical energy. What percentage of this energy is required for brain development in five-year-olds?
A. 50%
B. 60%
C. 70%
D. 80%
Answer: A
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Evidence for the role of environmental influences on intelligence is provided by studies that compare
a. adopted children to their biological parents. b. adopted children to their adoptive parents. c. children reared by their biological parents to their biological parents. d. identical twins reared together and fraternal twins reared together.
Reasons to perform a C-section include small maternal pelvis, maternal weakness or fatigue, fetal distress, and
a. a baby who is unusually small. b. a baby who is being born headfirst. c. a baby who is too large. d. maternal anxiety during the delivery process.
What mistaken notion about the nervous system persisted from ancient times up through the work of some Renaissance thinkers? a. The ventricles play a major role in the transmission of messages in the brain. b. The heart is the organ of intellect
c. Damage to the brain is easily repaired. d. The muscular tremors that characterize epilepsy do not originate in the brain.
Down's syndrome is caused by:
a) Alzheimer's disease in the mom b) Maternal alcohol use c) An extra chromosome on the 21st pair d) Mom contracting measles during pregnancy