Alla Is Studying for a Quiz on the Motor Systems

question 91

Multiple Choice

 Alla is studying for a quiz on the motor systems in the body. She writes in her notes that all of the motor neurons that innervate a single muscle are collectively called a

• A) motor neuron pool.
• B) motor unit.
• C) neuromuscular junction.
• D) muscle spindle.

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Definitions:

Cross-sectional Method

A research design that compares different population groups at a single point in time.

Different Ages

Refers to the diversity of age groups within a population, each having unique physical, psychological, and social characteristics.

Intellectual Change

The evolution or transformation in cognitive functions and processes, such as thinking, reasoning, and understanding.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together, revealing the strength and direction of their relationship.