One Reason That Adolescents Go to Bed Much Later Than

question 33

Multiple Choice

One reason that adolescents go to bed much later than they did as children is that they

• A) cannot effectively manage their emotions.
• B) may have developed an increased neural sensitivity to evening light.
• C) do not need as much sleep as they did in middle childhood.
• D) experience a steady increase in impulsivity from ages 12 to 24.

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Definitions:

Objective Lenses

Lenses closest to the specimen in a microscope that magnify the image of the sample.

Focus Knobs

Controls on a microscope that adjust the clarity and sharpness of the specimen being viewed by moving the lenses closer or farther from the specimen.

Iris Diaphragm

A mechanical device, typically part of a camera or microscope, that controls the amount of light passing through a lens or onto a specimen.

Field Diameter

The diameter of the field of view seen through the microscope, typically measured in millimeters or micrometers.