Which of the Following Statements About Brain Development in Early

question 94

Multiple Choice

Which of the following statements about brain development in early childhood is true?

• A) Activity in the right hemisphere increases steadily throughout early and middle childhood for most children.
• B) The left hemisphere is relatively inactive between 3 and 6 years.
• C) By age 4, most parts of the cerebral cortex have underproduced synapses.
• D) Between ages 2 and 6, energy consumption of most cortical regions diminishes to near-adult levels.

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Definitions:

Antimony

A metalloid element with the symbol Sb, used in alloys, fire retardants, and in semiconductor technology.

Elemental Symbol

A notation consisting of letters that represent a chemical element, used in chemical formulas and equations.

Fluorine

A chemical element with the symbol F and atomic number 9, known for its extremely high electronegativity and reactivity.

Elemental Symbol

A one- or two-letter abbreviation used to represent an element on the periodic table, based on its English or Latin name.