In Recent Years,the Percentage of Cases in Which the Cause

question 17

Multiple Choice

In recent years,the percentage of cases in which the cause of intellectual disabilities is known has dramatically increased due to

• A)better assessment practices by teachers.
• B)the mapping of the human genetic code.
• C)better assessment practices by family physicians.
• D)advances in microscopic technology.

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Definitions:

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's cell body.

Nerve impulses

Electrical signals that travel along the nerve fibers, responsible for transmitting information throughout the body.

Neuroglial cells

Supportive cells in the nervous system that do not conduct electrical impulses but provide support, insulation, and nutrients to neurons.

Axon diameter

The thickness of the axon, a part of a neuron that carries electrical impulses away from the neuron's cell body, which can affect the speed of neural transmission.