Which of the Following Prenatal Situations Has NOT Been Shown

question 693

Multiple Choice

Which of the following prenatal situations has NOT been shown to increase the risk of a child becoming schizophrenic?

• A) mother contracting influenza during the middle of her pregnancy
• B) mother contracting rubella during the middle of her pregnancy
• C) malnutrition during pregnancy
• D) having an extra chromosome at pair 16

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Definitions:

Action Potentials

Electrical impulses that travel along neurons, allowing them to communicate with each other and with other types of cells.

Terminal Buttons

The small knobs at the end of an axon that release chemical signals from the neuron into the synapse to stimulate the next neuron.

Stimulation

The activity of promoting or encouraging a physical or biological response through external or internal factors.

All-or-none

A principle stating that the strength of a response of a nerve cell or muscle fiber is not dependent on the strength of the stimulus. If a stimulus is above a certain threshold, a nerve or muscle fiber will fire.