Because Myelination of Motor Neurons Occurs in a Cephalocaudal Direction

question 27

Multiple Choice

Because myelination of motor neurons occurs in a cephalocaudal direction, infants

• A) gain control over their torso before they gain control of their arms and hands.
• B) develop fine motor skills before they develop gross motor skills.
• C) gain control over their head and neck before they gain control over their shoulders and arms. *
• D) must crawl before they start to walk to avoid developing learning problems.

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Definitions:

Quantity Supplied

Quantity Supplied refers to the amount of goods or services that sellers are willing and able to sell at a given price over a specified period of time.

Price Increase

When the cost of goods or services rises over a period.

Long Run

A period in economics where all factors of production can be adjusted, allowing firms to change their output levels based on market demands.

Marginal Revenue Curve

A graphical representation showing how marginal revenue varies with changes in quantity sold, highlighting the additional revenue from selling one more unit.