When Grade-School Children Cut Back on the Time They Watch

question 55

Multiple Choice

When grade-school children cut back on the time they watch TV or play video games,

• A)boys' aggression increases whereas girls' aggressiveness stays the same.
• B)the aggression of the grade-school children declines.
• C)the aggressiveness of the children increases.
• D)there is no change in their levels of aggression.

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Definitions:

Blood Calcium

The concentration of calcium ions in the blood, vital for healthy bones, teeth, and proper function of the heart, muscles, and nerves.

Nuclear Receptor

A class of proteins within cells that, upon binding with a ligand, can act as transcription factors to affect gene expression.

Lipid-soluble

A characteristic of compounds that can dissolve in fats and oils but not in water, influencing their absorption and transport in the body.

G Protein

A type of protein that acts as a molecular switch inside cells, playing a critical role in transmitting signals from various stimuli outside the cell.