Anatomy of a Skeletal Muscle Quiz

What is the function of a tendon?

• Connects skeletal muscle to bone

• Surrounds each muscle fiber

• Makes up sarcomeres

• Forms the plasma membrane around each muscle fiber

What is the organ made up of fascicles called?

• Perimysium

• Tendon

• Muscle

• Epimysium

What is a bundle of muscle fibers called?

• Sarcomere

• Fascicle

• Muscle Fiber

• Myofibril

What is the plasma membrane around each muscle fiber called?

• Perimysium

• Endomysium

• Epimysium

• Sarcolemma

What makes up sarcomeres?

• Fascicles

• Myofilaments

• Muscle Fibers

• Myofibrils

Excitability of a muscle

• Ability to produce heat
• Ability to respond to stimuli and generate electrical impulses
• Ability to store and release energy
• Ability to contract and relax

Contractibility of a muscle

• Ability to harden or solidify
• Ability to rotate or twist
• Ability to lengthen or expand
• Ability to shorten or contract

Extensibility of a muscle

• Ability to generate heat without being damaged
• Ability to contract without being damaged
• Ability to stretch or lengthen without being damaged
• Ability to change color without being damaged

Elasticity of a muscle

• Ability to contract and relax
• Ability to stretch and return to its original shape and length
• Ability to generate heat
• Ability to produce ATP

Which protein forms the thick filaments in a sarcomere?

• Actin

• Myosin

• Tropomyosin

• Titin