Which of the following best describes the central idea of the text?
A. Teenagers are more likely to react violently in stressful situations than adults and small children.
B. Teenagers are more impulsive than adults and small children because their brains process information quicker.
C. Teenagers may react slowly to potential threats because they are still learning how to identify dangerous situations.
D. Teenagers show less impulse control than other age groups when faced with a threat due to their brain development.
Which of the following quotations best supports your answer to Part A?
A. “A threatened teen may not back down. One reason: The teenage brain appears to undergo a rewiring that can prompt this response to fear.” (Paragraph 1)
B. “These scans showed that when people looked at the faces, activity sometimes increased in a brain area called the orbital frontal cortex.” (Paragraph 5)
C. “Her team doesn’t know why younger children don’t show the same poor impulse control when viewing a threatening face.” (Paragraph 6)
D. “More studies could determine how parts of the brain that control behavior grow and change during the teen years, Caudle said.” (Paragraph 6)
As it is used in paragraph 5, the word “curb” most closely means —
A. edge.
B. push.
C. reduce.
D. allow.
Which detail from the paragraph provides the best clue to the meaning of the word “curb” as it is used in this context?
A. “increased”
B. “successfully avoided”
C. “pushing the button”
D. “react inappropriately”