Author Question: By age 4 to 5, __________. A) the brain increases from 40 percent to 60 percent of its adult ... (Read 40 times)

ssal · **on:** Jun 22, 2018

By age 4 to 5, __________.

A) the brain increases from 40 percent to 60 percent of its adult weight
B) many parts of the cerebral cortex have overproduced synapses
C) growth in the prefrontal-cortical area slows to near-adult levels
D) synaptic pruning slows or ends

Question 2

Young children __________ are at increased risk for decayed teeth.

A) who drink fluoridated water
B) who get sealants on primary teeth
C) in homes with regular smokers
D) in middle-SES homes