If the Electrical Charge of the Neuron Changes to About

question 301

Multiple Choice

If the electrical charge of the neuron changes to about a minus 50 millivolts,the neuron will reach its __________for firing.

• A) synaptic potential
• B) negative after-potential
• C) threshold
• D) fusion level

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Definitions:

Head Control

The ability to hold and move one's head in a stable and directed manner, a developmental milestone in infants.

Neck Muscles

A group of muscles in the neck area that support the head, assist in movement, and aid in functions such as swallowing and speaking.

Mental Age

A measure of an individual's intellectual capacity compared to the average intellectual capacity of individuals in the same age group.

IQ

A measure of a person's intelligence as indicated by an intelligence test, relative to the average for their age group.