A Motor Unit Is

question 45

Multiple Choice

A motor unit is

• A) a fascicle of muscle fibers
• B) a whole muscle plus all the nerve fibers that innervate it
• C) capable of a graded response
• D) a single motor neuron and all the muscle fibers it innervates
• E) all the muscle fibers required to perform a specific action

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Definitions:

Preoperational Stage

A stage in Jean Piaget's theory of cognitive development, occurring approximately between the ages of 2 and 7, characterized by symbolic thinking and egocentrism but a lack of operational logic.

Decenter

In Piaget’s terminology, to think simultaneously about several aspects of a situation.

Piaget

Jean Piaget, a Swiss psychologist renowned for his work in child development and his theory of cognitive stages.

Situation

Refers to a set of circumstances or a scenario in which individuals find themselves, which can affect their actions and decisions.