Muscle Physiology Quiz

What is the definition of the normal resting length of a muscle?

• The length of a muscle when it is actively contracting

• The length of a muscle when it is shortened by external force

• The length of a muscle when it is not shortened or lengthened by active contraction or the application of external force

• The length of a muscle when it is lengthened by active contraction

Which of the following is NOT one of the four properties of muscle?

• Irritability

• Contractility

• Flexibility

• Elasticity

What is the ability to respond to a stimulus, an impulse from a nerve, or external stretch resulting in a contraction called?

• Contractility

• Elasticity

• Irritability

• Flexibility

Which of the following describes the ability to contract generating force when adequate stimulus is applied?

• Flexibility

• Contractility

• Elasticity

• Irritability

Which type of muscle contraction involves shortening?

• Eccentric

• Isometric

• Concentric

• Static

Which type of muscle contraction involves lengthening?

• Concentric

• Isometric

• Eccentric

• Static

Which type of muscle contraction involves no length change?

• Concentric

• Eccentric

• Isometric

• Dynamic

What is the ability to lengthen when a force is applied called?

• Elasticity

• Extensibility

• Flexibility

• Rigidity

What is the ability to return to normal resting length when force is removed called?

• Extensibility

• Flexibility

• Elasticity

• Rigidity

Which property allows a material to return from a lengthened or shortened position?

• Extensibility

• Flexibility

• Elasticity

• Rigidity