What Is a Fascicle of a Skeletal Muscle

question 8

Multiple Choice

What is a fascicle of a skeletal muscle?

• A)A layer of connective tissue surrounding an entire skeletal muscle
• B)A contractile unit of a myofibril
• C)An inward extension of the sarcolemma through the muscle fiber
• D)A bundle of skeletal muscle fibers
• E)A motor neuron and all of the muscle fibers that it innervates

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Definitions:

Successive Approximations

A technique used in behaviorist psychology, involving the reinforcement of behaviors that are increasingly similar to the desired behavior.

Operant Conditioning

A method of behavior modification where the intensity of an action is influenced by positive or negative reinforcement.

Shaping

A method of positive reinforcement of behavior patterns in operant conditioning.

Simpler Response

A basic or more straightforward reaction or answer to a stimulus or question, often requiring less cognitive or emotional effort.