The Finding That Today's Infants Are Crawling Later Than Infants

question 15

Multiple Choice

The finding that today's infants are crawling later than infants born less than a generation ago is evidence for the effect of:

• A)sociocultural context.
• B)malnutrition.
• C)conditioning.
• D)tabloid publications.
• •None of the answers is correct.

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Definitions:

Cell body

The main part of a neuron or other cell, containing the nucleus and various organelles.

Organelles

Specialized structures within a cell that perform specific functions necessary for the cell's life.

Axon

A type of nerve fiber that is typically long and branches far from the cell body. Its function is to send information away from the cell body.

Cervical enlargement

describes the widened area of the spinal cord in the neck region that contains nerves that supply the arms.